CVE-2025-39664

MEDIUM

Checkmk < 2.2.0 - Path Traversal

Title source: rule
STIX 2.1

Description

Insufficient escaping in the report scheduler within Checkmk <2.4.0p13, <2.3.0p38, <2.2.0p46 and 2.1.0 (EOL) allows authenticated attackers to define the storage location of report file pairs beyond their intended root directory.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
https://checkmk.com/werk/17984
Exploit, Mailing List, Third Party Advisory
http://seclists.org/fulldisclosure/2025/Oct/7

Scores

CVSS v3 6.5
EPSS 0.0008
EPSS Percentile 23.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-22
Status published
Products (2)
checkmk/checkmk 2.2.0 p1 (42 CPE variants)
checkmk/checkmk 2.3.0 (8 CPE variants)
Published Oct 09, 2025
Tracked Since Feb 18, 2026