CVE-2021-3808 Privilege escalation in HP PC BIOS
Attackers can execute arbitrary code and escalate privileges via HP PC BIOS vulnerabilities, requiring firmware updates.
- 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-2021-3808?
CVE-2021-3808 is a high-severity vulnerability in HP PC BIOS, published on 30 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Potential security vulnerabilities have been identified in the BIOS (UEFI Firmware) for certain HP PC products, which might allow arbitrary code execution. HP is releasing firmware updates to mitigate these potential vulnerabilities.
Weakness: CWE-269
Which versions are affected by CVE-2021-3808?
It affects 181 products.
Products include Hp Elite Dragonfly Firmware, Hp Elite Slice Firmware, Hp Elite Slice G2 Firmware, Hp Elite X2 1012 G2 Firmware, Hp Elite X2 1013 G3 Firmware, Hp Elite X2 G4 Firmware and 175 more.
How do I fix CVE-2021-3808?
No fix has been published for CVE-2021-3808 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3808 being exploited?
There is no known exploitation of CVE-2021-3808 in the wild and no public exploit code.
Other vulnerabilities in HP PC BIOS
- CVE-2021-3809 Privilege escalation in HP PC BIOS
- CVE-2022-31640 Race condition in HP PC BIOS
- CVE-2022-31641 Race condition in HP PC BIOS
- CVE-2022-31642 Race condition in HP PC BIOS
- CVE-2019-18913 Security feature bypass in HP Intel-based Business PCs that support Microsoft Windows 10 Kernel DMA protection.
Sources
Also known as GHSA-235p-3884-9g52.