CVE-2021-39296 Auth bypass in n/a

Critical 10.0 Published Updated

Attackers can bypass authentication via crafted IPMI messages to gain full system control on OpenBMC devices.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2021-39296?

CVE-2021-39296 is a critical authentication bypass vulnerability in n/a, published on 9 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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

Weakness: CWE-287

Which versions are affected by CVE-2021-39296?

It affects 1 product.

Products include Openbmc-Project Openbmc.

How do I fix CVE-2021-39296?

No fix has been published for CVE-2021-39296 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2021-39296 being exploited?

There is no known exploitation of CVE-2021-39296 in the wild and no public exploit code.

Sources

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