Description
The "NagVis" component within Checkmk is vulnerable to remote code execution. An authenticated attacker with administrative level privileges is able to upload a malicious PHP file and modify specific settings to execute the contents of the file as PHP.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Checkmk NagVis
Default version status: unaffected
NagVis 1.9.40 to < 1.9.42affectedCheckmk 2.3.0p2 to < 2.3.0p10affected
References
- https://korelogic.com/Resources/Advisories/KL-001-2025-002.txt ↗
- https://www.nagvis.org/downloads/changelog/1.9.42 ↗
- https://checkmk.com/werks?version=2.3.0p10 ↗
- http://seclists.org/fulldisclosure/2025/Feb/4 ↗
- http://www.openwall.com/lists/oss-security/2025/02/04/4 ↗
- https://lists.debian.org/debian-lts-announce/2025/05/msg00000.html ↗