CVE-2025-20083 Auth bypass in Intel(R) Slim Bootloader
A privileged local user can escalate privileges due to improper authentication in Intel Slim Bootloader firmware.
- 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-2025-20083?
CVE-2025-20083 is a high-severity authentication bypass vulnerability in Intel(R) Slim Bootloader, published on 13 May 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Improper authentication in the firmware for the Intel(R) Slim Bootloader may allow a privileged user to potentially enable escalation of privilege via local access.
Weakness: CWE-287
Which versions are affected by CVE-2025-20083?
How do I fix CVE-2025-20083?
No fix has been published for CVE-2025-20083 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-2025-20083 being exploited?
There is no known exploitation of CVE-2025-20083 in the wild and no public exploit code.
Sources
Also known as GHSA-4f7p-jr5x-cg78.