CVE-2022-26861 Code injection in CPG BIOS
A local authenticated attacker can exploit an insecure automated optimization flaw in Dell BIOS to achieve arbitrary code execution during System Management Mode.
- 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-2022-26861?
CVE-2022-26861 is a high-severity code injection vulnerability in Dell Chengming 3980 Firmware, published on 6 Sep 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell BIOS versions contain an Insecure Automated Optimization vulnerability. A local authenticated malicious user could exploit this vulnerability by sending malicious input via SMI to obtain arbitrary code execution during SMM.
Weakness: CWE-1038
Which versions are affected by CVE-2022-26861?
It affects 399 products.
Products include Dell Alienware M15 R6 Firmware, Dell Chengming 3980 Firmware, Dell Chengming 3988 Firmware, Dell Chengming 3990 Firmware, Dell Chengming 3991 Firmware, Dell Edge Gateway 3000 Firmware and 393 more.
How do I fix CVE-2022-26861?
No fix has been published for CVE-2022-26861 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2022-26861 being exploited?
There is no known exploitation of CVE-2022-26861 in the wild and no public exploit code.
Other vulnerabilities in Dell Chengming 3980 Firmware
Sources
Also known as GHSA-cp2w-v57g-8xxw.