cbcvebase.
CVE-2025-39666
published 2026-04-07

CVE-2025-39666: Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows…

PriorityP340high7.3CVSS 3.1
AVLACLPRLUIRSUCHIHAH
EPSS
0.12%
2.2th percentile
Local privilege escalation in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0b3 allows a site user to escalate their privileges to root, by manipulating files in the site context that are processed when the `omd` administrative command is run by root.

Affected

8 ranges
VendorProductVersion rangeFixed in
checkmkcheckmk
checkmkcheckmk
checkmkcheckmk
checkmkcheckmk
checkmk_gmbhcheckmk
checkmk_gmbhcheckmk>= 2.3.0 < 2.3.0p462.3.0p46
checkmk_gmbhcheckmk>= 2.4.0 < 2.4.0p252.4.0p25
checkmk_gmbhcheckmk>= 2.5.0b1 < 2.5.0b32.5.0b3

CVSS provenance

nvdv3.17.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
nvdv4.09.3CRITICALCVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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