CVE-2023-2992 Denial of service in Fan Power Controller (FPC)
Unauthenticated attackers can cause a denial of service on Lenovo SMM and FPC management web servers, requiring a reboot to restore access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-2992?
CVE-2023-2992 is a high-severity denial of service vulnerability in Lenovo Fan Power Controller (FPC), published on 26 Jun 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An unauthenticated denial of service vulnerability exists in the SMM v1, SMM v2, and FPC management web server which can be triggered under crafted conditions. Rebooting SMM or FPC will restore access to the management web server.
Weakness: CWE-405
Which versions are affected by CVE-2023-2992?
It affects 8 products.
Products include Lenovo Nextscale N1200 Enclosure Firmware, Lenovo Thinkagile Cp-Cb-10 Firmware, Lenovo Thinkagile Cp-Cb-10e Firmware, Lenovo Thinkagile Hx Enclosure Certified Node Firmware, Lenovo Thinkagile Vx Enclosure Firmware, Lenovo Thinksystem D2 Enclosure Firmware and 2 more.
How do I fix CVE-2023-2992?
No fix has been published for CVE-2023-2992 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-2992 being exploited?
There is no known exploitation of CVE-2023-2992 in the wild and no public exploit code.
Other vulnerabilities in Lenovo Fan Power Controller (FPC)
Sources
Also known as GHSA-gqhx-wxjr-rphx.