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Siemens OpenSSL RSA Decryption in SIMATIC

  1. EXECUTIVE SUMMARY ​CVSS v3 5.9 ​ATTENTION: Exploitable remotely ​Vendor: Siemens ​Equipment: SIMATIC, SIPLUS ​Vulnerability: Inadequate Encryption Strength
  2. RISK EVALUATION ​Successful exploitation of this vulnerability could allow an attacker to recover the product’s connection secret.
  3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS ​The following products from Siemens are affected: ​SIMATIC Cloud Connect 7 CC712 (6GK1411-1AC00): versions prior to V2.2 ​SIMATIC Cloud Connect 7 CC716 (6GK1411-5AC00): versions prior to V2.2 ​SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0): versions V3.0.1 to V3.0.3 ​SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0): versions prior to V2.9.7 ​SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0): versions V3.0.1 to V3.0.3 ​SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0): versions prior to V2.9.7 ​SIMATIC ET 200pro IM154-8 PN/DP CPU (6ES7154-8AB01-0AB0): versions prior to V3.2.19 ​SIMATIC ET 200pro IM154-8F PN/DP CPU (6ES7154-8FB01-0AB0): versions prior to V3.2.19 ​SIMATIC ET 200pro IM154-8FX PN/DP CPU (6ES7154-8FX00-0AB0): versions prior to V3.2.19 ​SIMATIC ET 200S IM151-8 PN/DP CPU (6ES7151-8AB01-0AB0): versions prior to V3.2.19 ​SIMATIC ET 200S IM151-8F PN/DP CPU (6ES7151-8FB01-0AB0): versions prior to V3.2.19 ​SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants): all versions ​SIMATIC Logon V1.6: all versions ​SIMATIC PDM V9.1: all versions ​SIMATIC PDM V9.2: versions prior to V9.2 SP2 Upd1 ​SIMATIC Process Historian 2019 OPC UA Server: all versions ​SIMATIC Process Historian 2020 OPC UA Server: all versions ​SIMATIC Process Historian 2022 OPC UA Server: all versions ​SIMATIC S7-1200 CPU family (incl. SIPLUS variants): all versions ​SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SJ00-0AB0): all versions ​SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SJ01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SK03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DJ00-0AB0): all versions ​SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DJ01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DK03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK00-0AB0): all versions ​SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AL03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK00-0AB0): all versions ​SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FL03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TL03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UL03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SK00-0AB0): all versions ​SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SM03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DK00-0AB0): all versions ​SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DK01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DM03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL00-0AB0): all versions ​SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AM03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL00-0AB0): all versions ​SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FM03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RL00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RM03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1514SP F-2 PN (6ES7514-2SN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1514SP-2 PN (6ES7514-2DN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1514SPT F-2 PN (6ES7514-2WN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1514SPT-2 PN (6ES7514-2VN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM00-0AB0): all versions ​SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM00-0AB0): all versions ​SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RM00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TM01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UM01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UN03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN00-0AB0): all versions ​SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AP03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN00-0AB0): all versions ​SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN01-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN02-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FP03-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1516T-3 PN/DP (6ES7516-3TN00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1516TF-3 PN/DP (6ES7516-3UN00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1517-3 PN/DP (6ES7517-3AP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1517F-3 PN/DP (6ES7517-3FP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1517H-3 PN (6ES7517-3HP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1517TF-3 PN/DP (6ES7517-3UP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1518F-4 PN/DP (6ES7518-4FP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1518HF-4 PN (6ES7518-4JP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1518T-4 PN/DP (6ES7518-4TP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU 1518TF-4 PN/DP (6ES7518-4UP00-0AB0): versions prior to V3.0.3 ​SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK (6ES7518-4AP00-3AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK (6ES7518-4FP00-3AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN (6ES7513-2GL00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN (6ES7513-2PL00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN (6ES7516-2GN00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN (6ES7516-2PN00-0AB0): versions prior to V2.9.7 ​SIMATIC S7-1500 Software Controller: all versions ​SIMATIC S7-300 CPU 314C-2 PN/DP (6ES7314-6EH04-0AB0): versions prior to V3.3.19 ​SIMATIC S7-300 CPU 315-2 PN/DP (6ES7315-2EH14-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 315F-2 PN/DP (6ES7315-2FJ14-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 315T-3 PN/DP (6ES7315-7TJ10-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 317-2 PN/DP (6ES7317-2EK14-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 317F-2 PN/DP (6ES7317-2FK14-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 317T-3 PN/DP (6ES7317-7TK10-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 317TF-3 PN/DP (6ES7317-7UL10-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 319-3 PN/DP (6ES7318-3EL01-0AB0): versions prior to V3.2.19 ​SIMATIC S7-300 CPU 319F-3 PN/DP (6ES7318-3FL01-0AB0): versions prior to V3.2.19 ​SIMATIC S7-PLCSIM Advanced: all versions ​SIPLUS ET 200S IM151-8 PN/DP CPU (6AG1151-8AB01-7AB0): versions prior to V3.2.19 ​SIPLUS ET 200S IM151-8F PN/DP CPU (6AG1151-8FB01-2AB0): versions prior to V3.2.19 ​SIPLUS ET 200SP CPU 1510SP F-1 PN (6AG1510-1SJ01-2AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL (6AG2510-1SJ01-1AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-2AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-7AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-4AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-1AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK00-2AB0): all versions ​SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-2AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-7AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-1AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-4AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-2AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-7AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-4AB0): versions prior to V2.9.7 ​SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-1AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK00-2AB0): all versions ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-7AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-7AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK01-1AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK02-1AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK01-4AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK02-4AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK00-2AB0): all versions ​SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL00-2AB0): all versions ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-7AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-7AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL00-2AB0): all versions ​SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1515F-2 PN RAIL (6AG2515-2FM02-4AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL (6AG2515-2FM01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1515R-2 PN (6AG1515-2RM00-7AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1515R-2 PN TX RAIL (6AG2515-2RM00-4AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN00-2AB0): all versions ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN00-7AB0): all versions ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-7AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-7AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL (6AG2516-3AN02-4AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL (6AG2516-3AN01-4AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN00-2AB0): all versions ​SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN01-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-2AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-4AB0): versions prior to V2.9.7 ​SIPLUS S7-1500 CPU 1517H-3 PN (6AG1517-3HP00-4AB0): versions prior to V3.0.3 ​SIPLUS S7-1500 CPU 1518-4 PN/DP (6AG1518-4AP00-4AB0): versions prior to V3.0.3 ​SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0): versions prior to V3.0.3 ​SIPLUS S7-1500 CPU 1518F-4 PN/DP (6AG1518-4FP00-4AB0): versions prior to V3.0.3 ​SIPLUS S7-1500 CPU 1518HF-4 PN (6AG1518-4JP00-4AB0): versions prior to V3.0.3 ​SIPLUS S7-300 CPU 314C-2 PN/DP (6AG1314-6EH04-7AB0): versions prior to V3.3.19 ​SIPLUS S7-300 CPU 315-2 PN/DP (6AG1315-2EH14-7AB0): versions prior to V3.2.19 ​SIPLUS S7-300 CPU 315F-2 PN/DP (6AG1315-2FJ14-2AB0): versions prior to V3.2.19 ​SIPLUS S7-300 CPU 317-2 PN/DP (6AG1317-2EK14-7AB0): versions prior to V3.2.19 ​SIPLUS S7-300 CPU 317F-2 PN/DP (6AG1317-2FK14-2AB0): versions prior to V3.2.19 3.2 VULNERABILITY OVERVIEW 3.2.1 ​INADEQUATE ENCRYPTION STRENGTH CWE-326 ​A timing-based side channel exists in the OpenSSL RSA decryption implementation, which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack. An attacker could use this flaw to recover the pre-master secret used for the original connection and thus be able to decrypt the application data sent over that connection. ​CVE-2022-4304 has been assigned to this vulnerability. A CVSS v3 base score of 5.9 has been calculated; the CVSS vector string is (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N). 3.3 BACKGROUND ​CRITICAL INFRASTRUCTURE SECTORS: Multiple ​COUNTRIES/AREAS DEPLOYED: Worldwide ​COMPANY HEADQUARTERS LOCATION: Germany 3.4 RESEARCHER ​Siemens reported this vulnerability to CISA.
  4. MITIGATIONS ​Siemens has released updates for several affected products and recommends updating to the latest versions. Siemens is preparing further updates and recommends specific countermeasures for products where updates are not, or are not yet, available: ​SIMATIC Cloud Connect 7 CC712 (6GK1411-1AC00): Update to V2.2 or later. ​SIMATIC Cloud Connect 7 CC716 (6GK1411-5AC00): Update to V2.2 or later. ​SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0): Update to V3.0.3 or later. ​SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0): Update to V2.9.7 or later. ​SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0): Update to V3.0.3 or later. ​SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0): Update to V2.9.7 or later. ​SIMATIC ET 200pro IM154-8 PN/DP CPU (6ES7154-8AB01-0AB0): Update to V3.2.19 or later. ​SIMATIC ET 200pro IM154-8F PN/DP CPU (6ES7154-8FB01-0AB0): Update to V3.2.19 or later. ​SIMATIC ET 200pro IM154-8FX PN/DP CPU (6ES7154-8FX00-0AB0): Update to V3.2.19 or later. ​SIMATIC ET 200S IM151-8 PN/DP CPU (6ES7151-8AB01-0AB0): Update to V3.2.19 or later. ​SIMATIC ET 200S IM151-8F PN/DP CPU (6ES7151-8FB01-0AB0): Update to V3.2.19 or later. ​SIMATIC PDM V9.2: Update to V9.2 SP2 Upd1 or later. ​SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SJ01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1510SP F-1 PN (6ES7510-1SK03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DJ01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1510SP-1 PN (6ES7510-1DK03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AL03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511C-1 PN (6ES7511-1CK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FK02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511F-1 PN (6ES7511-1FL03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511T-1 PN (6ES7511-1TL03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1511TF-1 PN (6ES7511-1UL03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1512C-1 PN (6ES7512-1CK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1512SP F-1 PN (6ES7512-1SM03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DK01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1512SP-1 PN (6ES7512-1DM03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AL02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1513-1 PN (6ES7513-1AM03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FL02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1513F-1 PN (6ES7513-1FM03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RL00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1513R-1 PN (6ES7513-1RM03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1514SP F-2 PN (6ES7514-2SN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1514SP-2 PN (6ES7514-2DN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1514SPT F-2 PN (6ES7514-2WN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1514SPT-2 PN (6ES7514-2VN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AM02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1515-2 PN (6ES7515-2AN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FM02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1515F-2 PN (6ES7515-2FN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RM00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1515R-2 PN (6ES7515-2RN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TM01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1515T-2 PN (6ES7515-2TN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UM01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1515TF-2 PN (6ES7515-2UN03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AN02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1516-3 PN/DP (6ES7516-3AP03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN01-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FN02-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU 1516F-3 PN/DP (6ES7516-3FP03-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1516T-3 PN/DP (6ES7516-3TN00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1516TF-3 PN/DP (6ES7516-3UN00-0AB0): Update to V3.0.3 or later ​SIMATIC S7-1500 CPU 1517-3 PN/DP (6ES7517-3AP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1517F-3 PN/DP (6ES7517-3FP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1517H-3 PN (6ES7517-3HP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1517T-3 PN/DP (6ES7517-3TP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1517TF-3 PN/DP (6ES7517-3UP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1518F-4 PN/DP (6ES7518-4FP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP (6ES7518-4FX00-1AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1518HF-4 PN (6ES7518-4JP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1518T-4 PN/DP (6ES7518-4TP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU 1518TF-4 PN/DP (6ES7518-4UP00-0AB0): Update to V3.0.3 or later. ​SIMATIC S7-1500 CPU S7-1518-4 PN/DP ODK (6ES7518-4AP00-3AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 CPU S7-1518F-4 PN/DP ODK (6ES7518-4FP00-3AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 ET 200pro: CPU 1513PRO F-2 PN (6ES7513-2GL00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 ET 200pro: CPU 1513PRO-2 PN (6ES7513-2PL00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 ET 200pro: CPU 1516PRO F-2 PN (6ES7516-2GN00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-1500 ET 200pro: CPU 1516PRO-2 PN (6ES7516-2PN00-0AB0): Update to V2.9.7 or later. ​SIMATIC S7-300 CPU 314C-2 PN/DP (6ES7314-6EH04-0AB0): Update to V3.3.19 or later. ​SIMATIC S7-300 CPU 315-2 PN/DP (6ES7315-2EH14-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 315F-2 PN/DP (6ES7315-2FJ14-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 315T-3 PN/DP (6ES7315-7TJ10-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 317-2 PN/DP (6ES7317-2EK14-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 317F-2 PN/DP (6ES7317-2FK14-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 317T-3 PN/DP (6ES7317-7TK10-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 317TF-3 PN/DP (6ES7317-7UL10-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 319-3 PN/DP (6ES7318-3EL01-0AB0): Update to V3.2.19 or later. ​SIMATIC S7-300 CPU 319F-3 PN/DP (6ES7318-3FL01-0AB0): Update to V3.2.19 or later. ​SIPLUS ET 200S IM151-8 PN/DP CPU (6AG1151-8AB01-7AB0): Update to V3.2.19 or later. ​SIPLUS ET 200S IM151-8F PN/DP CPU (6AG1151-8FB01-2AB0): Update to V3.2.19 or later. ​SIPLUS ET 200SP CPU 1510SP F-1 PN (6AG1510-1SJ01-2AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1510SP F-1 PN RAIL (6AG2510-1SJ01-1AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-2AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1510SP-1 PN (6AG1510-1DJ01-7AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-4AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1510SP-1 PN RAIL (6AG2510-1DJ01-1AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-2AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP F-1 PN (6AG1512-1SK01-7AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-1AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP F-1 PN RAIL (6AG2512-1SK01-4AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-2AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP-1 PN (6AG1512-1DK01-7AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-4AB0): Update to V2.9.7 or later. ​SIPLUS ET 200SP CPU 1512SP-1 PN RAIL (6AG2512-1DK01-1AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK01-7AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN (6AG1511-1AK02-7AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK01-1AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN T1 RAIL (6AG2511-1AK02-1AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK01-4AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511-1 PN TX RAIL (6AG2511-1AK02-4AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1511F-1 PN (6AG1511-1FK02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-7AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1513-1 PN (6AG1513-1AL02-7AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1513F-1 PN (6AG1513-1FL02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1515F-2 PN (6AG1515-2FM02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1515F-2 PN RAIL (6AG2515-2FM02-4AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1515F-2 PN T2 RAIL (6AG2515-2FM01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1515R-2 PN (6AG1515-2RM00-7AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1515R-2 PN TX RAIL (6AG2515-2RM00-4AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-7AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516-3 PN/DP (6AG1516-3AN02-7AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516-3 PN/DP RAIL (6AG2516-3AN02-4AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516-3 PN/DP TX RAIL (6AG2516-3AN01-4AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516F-3 PN/DP (6AG1516-3FN01-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-2AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1516F-3 PN/DP RAIL (6AG2516-3FN02-4AB0): Update to V2.9.7 or later. ​SIPLUS S7-1500 CPU 1517H-3 PN (6AG1517-3HP00-4AB0): Update to V3.0.3 or later. ​SIPLUS S7-1500 CPU 1518-4 PN/DP (6AG1518-4AP00-4AB0): Update to V3.0.3 or later. ​SIPLUS S7-1500 CPU 1518-4 PN/DP MFP (6AG1518-4AX00-4AC0): Update to V3.0.3 or later. ​SIPLUS S7-1500 CPU 1518F-4 PN/DP (6AG1518-4FP00-4AB0): Update to V3.0.3 or later. ​SIPLUS S7-1500 CPU 1518HF-4 PN (6AG1518-4JP00-4AB0): Update to V3.0.3 or later. ​SIPLUS S7-300 CPU 314C-2 PN/DP (6AG1314-6EH04-7AB0): Update to V3.3.19 or later. ​SIPLUS S7-300 CPU 315-2 PN/DP (6AG1315-2EH14-7AB0): Update to V3.2.19 or later. ​SIPLUS S7-300 CPU 315F-2 PN/DP (6AG1315-2FJ14-2AB0): Update to V3.2.19 or later. ​SIPLUS S7-300 CPU 317-2 PN/DP (6AG1317-2EK14-7AB0): Update to V3.2.19 or later. ​SIPLUS S7-300 CPU 317F-2 PN/DP (6AG1317-2FK14-2AB0): Update to V3.2.19 or later. ​Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk: ​As a mitigation for vulnerable versions: disable the web server. ​If possible, avoid the use of RSA based certificates in TLS communication and use ECC based certificates instead. ​As a general security measure, Siemens recommends protecting network access to devices with appropriate mechanisms. To operate the devices in a protected IT environment, Siemens recommends configuring the environment according to the Siemens’ operational guidelines for industrial security and following product manual recommendations. Additional information on Siemens industrial security can be found on the Siemens industrial security webpage. ​For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT. ​For more information, see the associated Siemens security advisory SSA-264814 in HTML and CSAF. ​CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. Specifically, users should: ​Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet. ​Locate control system networks and remote devices behind firewalls and isolate them from business networks. ​When remote access is required, use secure methods, such as virtual private networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available. Also recognize VPN is only as secure as its connected devices. ​CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. ​CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies. ​Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies. ​Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. ​No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This vulnerability has a high attack complexity.
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