CVE-2024-21781 Information disclosure in UEFI firmware for some Intel(R) Processors

High 7.0 Published Updated

A privileged local attacker can exploit improper input validation in Intel UEFI firmware to disclose information or cause denial of service.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-21781?

CVE-2024-21781 is a high-severity vulnerability in UEFI firmware for some Intel(R) Processors, published on 16 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Improper input validation in UEFI firmware for some Intel(R) Processors may allow a privileged user to enable information disclosure or denial of service via local access.

Weakness: CWE-20

Which versions are affected by CVE-2024-21781?

How do I fix CVE-2024-21781?

No fix has been published for CVE-2024-21781 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-21781 being exploited?

There is no known exploitation of CVE-2024-21781 in the wild and no public exploit code.

Sources

Also known as GHSA-pcx7-83rx-78c2.

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