{"id":"CVE-2025-64997","aliases":["EUVD-2025-204254","GHSA-x4q2-5wx6-98m5","UBUNTU-CVE-2025-64997"],"status":"published","title":"Insufficient permission validation when showing agent information","description":"Insufficient permission validation in Checkmk versions prior to 2.4.0p17 and 2.3.0p42 allow low-privileged users to view agent information via the REST API, which could lead to information disclosure.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00243,"percentile":0.15542,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-280"],"published":"2025-12-18T09:11:17Z","modified":"2026-10-28T02:30:59Z","affected":[{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"check-mk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.6p5-1","1.2.6p12-1","1.2.6p12-1ubuntu0.16.04.1","1.2.6p12-1ubuntu0.16.04.1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"check-mk","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8p16-1ubuntu0.1","1.2.8p16-1ubuntu0.2"]}],"products":[{"vendor":"checkmk","product":"checkmk"},{"vendor":"checkmk gmbh","product":"checkmk"}],"references":[{"url":"https://checkmk.com/werk/18681","tags":["Vendor Advisory","web","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64997","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-x4q2-5wx6-98m5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64997.json","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2025-64997","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-64997","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-64997","title":"Insufficient permission validation when showing agent information","description":"Insufficient permission validation in Checkmk versions prior to 2.4.0p17 and 2.3.0p42 allow low-privileged users to view agent information via the REST API, which could lead to information 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