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Rockwell Automation ControlLogix, GuardLogix 5580, CompactLogix, and Compact GuardLogix 5380

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  1. EXECUTIVE SUMMARY CVSS v4 8.7 ATTENTION: Exploitable remotely/low attack complexity Vendor: Rockwell Automation Equipment: CompactLogix 5380, ControlLogix 5580, GuardLogix 5580, Compact GuardLogix 5380, CompactLogix 5480 Vulnerability: Improper Input Validation
  2. RISK EVALUATION Successful exploitation of this vulnerability could crash the device being accessed.
  3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following Rockwell Automation products are affected: CompactLogix 5380 (5069 - L3z): Versions prior to v36.011, v35.013, v34.014 CompactLogix 5480 (5069 - L4): Versions prior to v36.011, v35.013, v34.014 ControlLogix 5580 (1756 - L8z): Versions prior to v36.011, v35.013, v34.014 GuardLogix 5580 (1756 - L8z): Versions prior to v36.011, v35.013, v34.014 Compact GuardLogix 5380 (5069 - L3zS2): Versions prior to v36.011, v35.013, v34.014 3.2 Vulnerability Overview 3.2.1 Improper Input Validation CWE-20 A denial-of-service vulnerability exists in the affected products. A malformed PTP management packet can cause a major nonrecoverable fault in the controller. CVE-2024-7515 has been assigned to this vulnerability. A CVSS v3.1 base score of 8.6 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H). A CVSS v4 score has also been calculated for CVE-2024-7515. A base score of 8.7 has been calculated; the CVSS vector string is (CVSS4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N). 3.3 BACKGROUND CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing COUNTRIES/AREAS DEPLOYED: Worldwide COMPANY HEADQUARTERS LOCATION: United States 3.4 RESEARCHER Rockwell Automation reported this vulnerability to CISA.
  4. MITIGATIONS Rockwell Automation recommends the following actions: Update products to v36.011, v35.013, v34.014 or later. Restrict communication to CIP object 103 (0x67) For information on how to mitigate Security Risks on industrial automation control systems, Rockwell Automation encourages users to implement their suggested security best practices to minimize the risk of the vulnerability. CISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as: Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet. Locate control system networks and remote devices behind firewalls and isolating them from business networks. When remote access is required, use more 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 the 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 on 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. CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. 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.
  5. UPDATE HISTORY August 13, 2024: Initial Publication
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