CVE-2022-43440 Privilege escalation via manipulated unixcat executable
A site user can escalate privileges on the Checkmk server by manipulating the unixcat executable due to an uncontrolled search path element.
- 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-2022-43440?
CVE-2022-43440 is a high-severity vulnerability in Checkmk Checkmk, published on 9 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Uncontrolled Search Path Element in Checkmk Agent in Tribe29 Checkmk before 2.1.0p1, before 2.0.0p25 and before 1.6.0p29 on a Checkmk server allows the site user to escalate privileges via a manipulated unixcat executable
Weakness: CWE-427
Which versions are affected by CVE-2022-43440?
It affects 1 product.
Products include Checkmk Checkmk.
How do I fix CVE-2022-43440?
No fix has been published for CVE-2022-43440 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-43440 being exploited?
There is no known exploitation of CVE-2022-43440 in the wild and no public exploit code.
Other vulnerabilities in Checkmk Checkmk
- CVE-2025-39666 omd: Local privilege escalation when executing omd commands as root
- CVE-2024-8606 Fix 2FA bypass via RestAPI
- CVE-2022-46836 PHP code injection in watolib
- CVE-2025-32919 Privilege Escalation in Windows License plugin for Checkmk Windows Agent
- CVE-2024-28827 Privilege escalation in Windows agent
Sources
Also known as GHSA-c5gc-w2vf-pmgw, UBUNTU-CVE-2022-43440.