CVE-2023-6157

Name: CVE-2023-6157
Creator: NVD / NIST
Published: 2023-11-22T17:15:22.847+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2023-6157 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Improper neutralization of livestatus command delimiters in ajax_search in Checkmk <= 2.0.0p39, < 2.1.0p37, and < 2.2.0p15 allows arbitrary livestatus command execution for authorized users.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

Improper neutralization of livestatus command delimiters in ajax_search in Checkmk <= 2.0.0p39, < 2.1.0p37, and < 2.2.0p15 allows arbitrary livestatus command execution for authorized users.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.86%

53.8th 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

References

https://checkmk.com/werk/16221Vendor Advisory
https://checkmk.com/werk/16221Vendor Advisory

Timeline

Published: Nov 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-6157?

Improper neutralization of livestatus command delimiters in ajax_search in Checkmk <= 2.0.0p39, < 2.1.0p37, and < 2.2.0p15 allows arbitrary livestatus command execution for authorized users.

How severe is CVE-2023-6157?

CVE-2023-6157 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2023-6157?

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-2023-6157?

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

Scan your code now

Source: NVD / NIST