CVE-2021-39296

CVE-2021-39296 is a critical authentication bypass vulnerability affecting OpenBMC 2.9, allowing an unauthenticated attacker to gain full system control via crafted IPMI messages. With a CVSS score of 10.0, this network-exploitable flaw has low attack complexity and results in complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness despite its inactive status on the KEV catalog.