CVE-2021-43414 Auth bypass in n/a
A man-in-the-middle vulnerability in the proc server authentication allows local attackers to escalate privileges to root.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43414?
CVE-2021-43414 is a high-severity authentication bypass vulnerability in n/a, published on 7 Nov 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in GNU Hurd before 0.9 20210404-9. The use of an authentication protocol in the proc server is vulnerable to man-in-the-middle attacks, which can be exploited for local privilege escalation to get full root access.
Weakness: CWE-287
Which versions are affected by CVE-2021-43414?
It affects 1 product.
Products include Gnu Hurd.
How do I fix CVE-2021-43414?
No fix has been published for CVE-2021-43414 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-43414 being exploited?
There is no known exploitation of CVE-2021-43414 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-gr2r-2j89-7xww.