{"id":"CVE-2025-39664","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-39664","generatedAt":"2026-10-28T01:11:03.594Z","title":"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.","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.","published":"2025-10-09T15:16:06.000Z","lastModified":"2026-10-23T22:10:00.000Z","status":"Analyzed","sourceIdentifier":"security@checkmk.com","cvss":{"version":"4.0","score":7.1,"severity":"HIGH","vector":"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/M"},"cwe":["CWE-22"],"affected":["checkmk/checkmk"],"epss":{"score":0.00693,"percentile":0.52663,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://checkmk.com/werk/17984","tags":["Vendor Advisory"],"source":"security@checkmk.com"},{"url":"https://github.com/sbaresearch/advisories/tree/public/2025/SBA-ADV-20250730-01_Checkmk_Path_Traversal","tags":["Exploit","Third Party Advisory"],"source":"security@checkmk.com"},{"url":"http://seclists.org/fulldisclosure/2025/Oct/7","tags":["Exploit","Mailing List","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-39664","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}