CVE-2021-38961 Cross-site scripting in OPENBMC
Attackers can inject JavaScript into the OpenBMC Web UI to steal credentials from trusted sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-38961?
CVE-2021-38961 is a medium-severity cross-site scripting vulnerability in IBM OPENBMC, published on 27 Dec 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
IBM OPENBMC OP910 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 212049.
Weakness: CWE-79
Which versions are affected by CVE-2021-38961?
It affects 3 products.
Products include Ibm Power System Ac922 \(8335-Gtc\) Firmware, Ibm Power System Ac922 \(8335-Gtg\) Firmware, Ibm Power System Ac922 \(8335-Gtw\) Firmware.
How do I fix CVE-2021-38961?
No fix has been published for CVE-2021-38961 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2021-38961 being exploited?
There is no known exploitation of CVE-2021-38961 in the wild and no public exploit code.
Sources
Also known as GHSA-p2p9-3jf4-23jr.