CVE-2021-29891 File upload in Power 9 AC922
A privileged user can upload a malicious certificate to IBM OpenBMC, causing a loss of network services and resulting in denial of service.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-29891?
CVE-2021-29891 is a medium-severity vulnerability in IBM Power 9 AC922, published on 22 Aug 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
IBM OPENBMC OP910 and OP940 could allow a privileged user to upload an improper site identity certificate that may cause it to lose network services. IBM X-Force ID: 207221.
Weakness: CWE-434
Which versions are affected by CVE-2021-29891?
It affects 4 products.
Products include Ibm Hardware Management Console 7063-Cr2 Firmware, Ibm Power System Ac922 \(8335-Gtg\) Firmware, Ibm Power System Ac922 \(8335-Gth\) Firmware, Ibm Power System Ac922 \(8335-Gtx\) Firmware.
How do I fix CVE-2021-29891?
No fix has been published for CVE-2021-29891 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-29891 being exploited?
There is no known exploitation of CVE-2021-29891 in the wild and no public exploit code.
Sources
Also known as GHSA-vfh6-gg9q-2383.