CVE-2021-4228

Over a dozen security flaws have been discovered in baseboard management controller (BMC) firmware from Lanner that could expose operational technology (OT) and internet of things (IoT) networks to remote attacks. BMC refers to a specialized service processor, a system-on-chip (SoC), that's found in server motherboards and is used for remote monitoring and management of a host system, including

Use of hard-coded TLS certificate by default allows an attacker to perform Man-in-the-Middle (MitM) attacks even in the presence of the HTTPS connection. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.00.0.

Observable discrepancies in the login process allow an attacker to guess legitimate user names registered in the BMC. This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.