CVE-2021-3439 Privilege escalation in HP PC BIOS
Attackers can exploit a privilege escalation vulnerability in HP Workstation BIOS firmware to gain elevated control over the system.
- 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-2021-3439?
CVE-2021-3439 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
HP has identified a potential vulnerability in BIOS firmware of some Workstation products. Firmware updates are being released to mitigate these potential vulnerabilities.
Weakness: CWE-269
Which versions are affected by CVE-2021-3439?
It affects 377 products.
Products include Hp 200 G3 All-in-One \(Rom Family Ssid 8431\) Firmware, Hp 200 G3 All-in-One \(Rom Family Ssid 84de\) Firmware, Hp 200 G4 22 All-in-One Pc \(Rom Family Ssid 86f0\) Firmware, Hp 200 G4 22 All-in-One Pc \(Rom Family Ssid 86f8\) Firmware, Hp 200 Pro G4 22 All-in-One Pc \(Rom Family Ssid 86f0\) Firmware, Hp 200 Pro G4 22 All-in-One Pc \(Rom Family Ssid 86f8\) Firmware and 371 more.
How do I fix CVE-2021-3439?
No fix has been published for CVE-2021-3439 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-3439 being exploited?
There is no known exploitation of CVE-2021-3439 in the wild and no public exploit code.
Sources
Also known as GHSA-fr5f-66rh-432p.