{"id":"CVE-2025-20051","state":"PUBLISHED","title":"Arbitrary file read via block duplication in Mattermost Boards","description":"Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.","publishedAt":"2025-02-24T07:27:23.182Z","updatedAt":"2025-02-24T11:20:04.651Z","severity":{"score":9.9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.4.0","status":"affected","lessThanOrEqual":"10.4.1","versionType":"semver"},{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.7","versionType":"semver"},{"version":"10.3.0","status":"affected","lessThanOrEqual":"10.3.2","versionType":"semver"},{"version":"10.2.0","status":"affected","lessThanOrEqual":"10.2.2","versionType":"semver"},{"version":"10.5.0","status":"unaffected"},{"version":"10.4.2","status":"unaffected"},{"version":"9.11.8","status":"unaffected"},{"version":"10.3.3","status":"unaffected"},{"version":"10.2.3","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-22"],"ingestedAt":"2026-10-29T20:08:39.238Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/20xxx/CVE-2025-20051.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-20051","state":"PUBLISHED","datePublished":"2025-02-24T07:27:23.182Z","dateUpdated":"2025-02-24T11:20:04.651Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2025-02-18T11:11:14.668Z"},"containers":{"cna":{"title":"Arbitrary file read via block duplication in Mattermost Boards","descriptions":[{"lang":"en","value":"Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards."}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"10.4.0","status":"affected","lessThanOrEqual":"10.4.1","versionType":"semver"},{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.7","versionType":"semver"},{"version":"10.3.0","status":"affected","lessThanOrEqual":"10.3.2","versionType":"semver"},{"version":"10.2.0","status":"affected","lessThanOrEqual":"10.2.2","versionType":"semver"},{"version":"10.5.0","status":"unaffected"},{"version":"10.4.2","status":"unaffected"},{"version":"9.11.8","status":"unaffected"},{"version":"10.3.3","status":"unaffected"},{"version":"10.2.3","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.9,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2025-02-24T07:27:23.182Z"},"credits":[{"lang":"en","type":"finder","value":"visat"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost to versions 10.5.0, 10.4.2, 9.11.8, 10.3.3, 10.2.3 or higher. Alternatively, update the Mattermost Boards plugin to v9.0.5 or higher.</p>"}],"value":"Update Mattermost to versions 10.5.0, 10.4.2, 9.11.8, 10.3.3, 10.2.3 or higher. Alternatively, update the Mattermost Boards plugin to v9.0.5 or higher."}],"source":{"advisory":"MMSA-2025-00429","defect":["https://mattermost.atlassian.net/browse/MM-62644"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-24T11:19:25.280356Z","id":"CVE-2025-20051","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-02-24T11:20:04.651Z"}}]}}}