CVE-2021-39296

CRITICAL

OpenBMC 2.9 - Improper Authentication via Crafted IPMI Messages

Title source: llm

In OpenBMC 2.9, crafted IPMI messages allow an attacker to bypass authentication and gain full control of the system.

Core 3

Core References

Exploit, Third Party Advisory

Third Party Advisory

Vendor Advisory

CVSS v3 10.0

EPSS 0.0291

EPSS Percentile 85.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE

CWE-287

Status published

Products (1)

openbmc-project/openbmc 2.9.0

Published Sep 09, 2021

Tracked Since Feb 18, 2026