CVE-2024-6542 Livestatus injection in mknotifyd
Attackers can execute arbitrary livestatus commands in Checkmk's mknotifyd due to improper delimiter neutralization, requiring a patch.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-6542?
CVE-2024-6542 is a medium-severity command injection vulnerability in Checkmk Checkmk, published on 22 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper neutralization of livestatus command delimiters in mknotifyd in Checkmk <= 2.0.0p39, < 2.1.0p47, < 2.2.0p32 and < 2.3.0p11 allows arbitrary livestatus command execution.
Weakness: CWE-140
Which versions are affected by CVE-2024-6542?
It affects 1 product.
Products include Checkmk Checkmk.
How do I fix CVE-2024-6542?
No fix has been published for CVE-2024-6542 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2024-6542 being exploited?
There is no known exploitation of CVE-2024-6542 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-3rwg-qhqc-m6rc, UBUNTU-CVE-2024-6542.