{"id":"CVE-2025-64996","state":"PUBLISHED","title":"Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin's output","description":"In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data.","publishedAt":"2025-11-18T15:10:53.398Z","updatedAt":"2025-11-18T21:23:15.114Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N","source":"Checkmk"},"assigner":"Checkmk","products":["Checkmk GmbH Checkmk"],"affected":[{"vendor":"Checkmk GmbH","product":"Checkmk","defaultStatus":"unaffected","versions":[{"version":"2.4.0","status":"affected","lessThan":"2.4.0p16","versionType":"semver"},{"version":"2.3.0","status":"affected","lessThan":"2.3.0p41","versionType":"semver"},{"version":"2.2.0","status":"affected","versionType":"semver"},{"version":"2.1.0","status":"affected","versionType":"semver"}]}],"references":["https://checkmk.com/werk/18570"],"weaknesses":["CWE-732"],"ingestedAt":"2026-10-29T20:09:48.677Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/64xxx/CVE-2025-64996.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-64996","state":"PUBLISHED","datePublished":"2025-11-18T15:10:53.398Z","dateUpdated":"2025-11-18T21:23:15.114Z","assignerShortName":"Checkmk","assignerOrgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","dateReserved":"2025-11-12T09:16:24.091Z"},"containers":{"cna":{"title":"Overly broad file permissions in the mk_inotify plugin allows reading and manipulating the plugin's output","descriptions":[{"lang":"en","value":"In Checkmk versions prior to 2.4.0p16, 2.3.0p41, and all versions of 2.2.0 and older, the mk_inotify plugin creates world-readable and writable files, allowing any local user on the system to read the plugin's output and manipulate it, potentially leading to unauthorized access to or modification of monitoring data."}],"affected":[{"vendor":"Checkmk GmbH","product":"Checkmk","defaultStatus":"unaffected","versions":[{"version":"2.4.0","status":"affected","lessThan":"2.4.0p16","versionType":"semver"},{"version":"2.3.0","status":"affected","lessThan":"2.3.0p41","versionType":"semver"},{"version":"2.2.0","status":"affected","versionType":"semver"},{"version":"2.1.0","status":"affected","versionType":"semver"}]}],"references":[{"url":"https://checkmk.com/werk/18570"}],"metrics":[{"cvssV4_0":{"baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-732","description":"CWE-732: Incorrect Permission Assignment for Critical Resource","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Checkmk","orgId":"f7d6281c-4801-44ce-ace2-493291dedb0f","dateUpdated":"2025-11-18T15:10:53.398Z"},"impacts":[{"capecId":"CAPEC-180","descriptions":[{"lang":"en","value":"CAPEC-180: Exploiting Incorrectly Configured Access Control Security Levels"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*","versionStartIncluding":"2.4.0","versionEndExcluding":"2.4.0p16"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:*:*:*:*:*:*:*:*","versionStartIncluding":"2.3.0","versionEndExcluding":"2.3.0p41"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:2.2.0:*:*:*:*:*:*:*"},{"vulnerable":true,"criteria":"cpe:2.3:a:checkmk:checkmk:2.1.0:*:*:*:*:*:*:*"}]}]}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-11-18T21:22:39.861013Z","id":"CVE-2025-64996","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-11-18T21:23:15.114Z"}}]}}}