CVE-2024-6542

Name: CVE-2024-6542
Creator: NVD / NIST
Published: 2024-07-22T10:15:08.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.47%

Last modified Jun 17, 2026

CVE-2024-6542 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 0.47% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

EPSS Probability

0.47%

37.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-140

Affected Software

Vendor	Product	Versions
Checkmk	Checkmk	2.0.0
Checkmk	Checkmk	2.1.0
Checkmk	Checkmk	2.2.0
Checkmk	Checkmk	2.3.0

References

https://checkmk.com/werk/17013Vendor Advisory
https://checkmk.com/werk/17013Vendor Advisory

Timeline

Published: Jul 22, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-6542?

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.

How severe is CVE-2024-6542?

CVE-2024-6542 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.47% probability of exploitation in the next 30 days.

How do I fix CVE-2024-6542?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-6542?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST