CVE-2025-39664

mediumpriority · track · 26EPSS 0.007 · 53 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.69% (53rd) EPSS

CVSS 6.5 · medium

Is it mine?

14 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

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

Technical severity, 0–10. One row per scoring source.

7.1

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.1

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v4.07.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.07.1highCVSS: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:Xsecondary · security@checkmk.com

v4.05mediumCVSS: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:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22US

affected products (14)

Products and version ranges known to be affected.

Checkmk Checkmk <2.2.0p46all versionscert_bundDE
Checkmk Checkmk <2.3.0p38all versionscert_bundDE
Checkmk Checkmk <2.4.0p13all versionscert_bundDE
Checkmk Checkmk< 2.2.0p46cert_bundDE
Checkmk Checkmk< 2.3.0p38cert_bundDE
Checkmk Checkmk< 2.4.0p13cert_bundDE
Checkmk GmbH Checkmk≤ 2.1.0enisa_euvdEU
Checkmk GmbH Checkmk2.2.0 → 2.2.0p46enisa_euvdEU
Checkmk GmbH Checkmk2.3.0 → 2.3.0p38enisa_euvdEU
Checkmk GmbH Checkmk2.4.0 → 2.4.0p13enisa_euvdEU
checkmk checkmk2.1.0 → 2.2.0nvdUScpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
checkmk checkmk= 2.2.0nvdUScpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
checkmk checkmk= 2.3.0nvdUScpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*
checkmk checkmk= 2.4.0nvdUScpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2253Checkmk: Mehrere SchwachstellenDeutsch2025-10-09csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Checkmk ausnutzen, um Informationen offenzulegen, um Sicherheitsvorkehrungen zu umgehen, und um einen Denial of Service Angriff durchzuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2025-10-09modified 2026-10-23

references (8)

External citations — patches, advisories, analysis.

https://access.redhat.com/security/cve/cve-2025-39664 cnnvd
https://checkmk.com/downloadPatchcnnvd
https://checkmk.com/werk/17984 cnnvd
https://checkmk.com/werk/17984 enisa_euvd
https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250730-01_Checkmk_Path_Traversal enisa_euvd
http://seclists.org/fulldisclosure/2025/Oct/7ExploitMailing ListThird Party Advisorynvd
https://checkmk.com/werk/17984Vendor Advisorynvd
https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250730-01_Checkmk_Path_TraversalExploitThird Party Advisorynvd

scry

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