CVE-2021-29847 Information disclosure in Power System S821LC Server (8001-12C)
An authenticated user can enable an insecure communication channel, allowing attackers to intercept sensitive information via man-in-the-middle attacks.
- 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-2021-29847?
CVE-2021-29847 is a medium-severity vulnerability in IBM Power System S821LC Server (8001-12C), published on 15 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
BMC firmware (IBM Power System S821LC Server (8001-12C) OP825.50) configuration changed to allow an authenticated user to open an insecure communication channel which could allow an attacker to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 205267.
Which versions are affected by CVE-2021-29847?
It affects 5 products.
Products include Ibm Power Hardware Management Console \(7063-Cr1\) Firmware, Ibm Power System Cs821lc \(8005-12n\) Firmware, Ibm Power System Cs822lc \(8005-22n\) Firmware, Ibm Power System S821lc \(8001-12c\) Firmware, Ibm Power System S822lc \(8001-22c\) Firmware.
How do I fix CVE-2021-29847?
No fix has been published for CVE-2021-29847 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-29847 being exploited?
There is no known exploitation of CVE-2021-29847 in the wild and no public exploit code.
Sources
Also known as GHSA-8wxh-27vw-26wh.