SecuriTricks - CVE-2025-39664

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.

Product(s) Impacted

Vendor	Product	Versions
Checkmk	Checkmk	<2.4.0, <2.3.0, <2.2.0, 2.1.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-22

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	checkmk	checkmk	<2.4.0	p13	/	/	/	/	/	/
a	checkmk	checkmk	<2.3.0	p38	/	/	/	/	/	/
a	checkmk	checkmk	<2.2.0	p46	/	/	/	/	/	/
a	checkmk	checkmk	2.1.0	/	/	/	/	/	/

References

https://checkmk.com/werk/17984

CVSS Score

7.1 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: LOW
User Interaction: NONE
Scope:
Confidentiality Impact: NONE
Integrity Impact: LOW
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/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

View Vector String

Timeline

Published: Oct. 9, 2025, 3:16 p.m.
Last Modified: Oct. 9, 2025, 3:50 p.m.

Status : Awaiting Analysis

CVE has been marked for Analysis. Normally once in this state the CVE will be analyzed by NVD staff within 24 hours.

More info

Source

security@checkmk.com

CVE-2025-39664