CVE-2025-39664 — MEDIUM (6.5)

Q: How severe is CVE-2025-39664?

CVE-2025-39664 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-39664?

Check the references section above for vendor advisories and patch information. Affected products include: Checkmk Checkmk.

Vulnerability 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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Checkmk	Checkmk	>= 2.1.0, < 2.2.0

Related Weaknesses (CWE)

CWE-22

References

https://checkmk.com/werk/17984Vendor Advisory
https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250730-01_CExploitThird Party Advisory
http://seclists.org/fulldisclosure/2025/Oct/7ExploitMailing ListThird Party Advisory

FAQ

What is CVE-2025-39664?

CVE-2025-39664 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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 t...

How severe is CVE-2025-39664?

CVE-2025-39664 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-39664?

Check the references section above for vendor advisories and patch information. Affected products include: Checkmk Checkmk.