CVE-2021-0188 Privilege escalation in Intel(R) Processors
A privileged local attacker can exploit a BIOS firmware flaw in Intel processors to escalate privileges.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-0188?
CVE-2021-0188 is a high-severity vulnerability in Intel(R) Processors, published on 12 May 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Return of pointer value outside of expected range in the BIOS firmware for some Intel(R) Processors may allow a privileged user to potentially enable aescalation of privilege via local access.
Weakness: CWE-119
Which versions are affected by CVE-2021-0188?
It affects 37 products.
Products include Intel Xeon E3-1220 V5 Firmware, Intel Xeon E3-1220 V6 Firmware, Intel Xeon E3-1225 V5 Firmware, Intel Xeon E3-1225 V6 Firmware, Intel Xeon E3-1230 V5 Firmware, Intel Xeon E3-1230 V6 Firmware and 31 more.
How do I fix CVE-2021-0188?
No fix has been published for CVE-2021-0188 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-0188 being exploited?
There is no known exploitation of CVE-2021-0188 in the wild and no public exploit code.
Sources
Also known as GHSA-vhvw-mwr5-fw35.