{"id":"CVE-2025-0503","state":"PUBLISHED","title":"Leaked User IDs and Metadata of Deleted DMs","description":"Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database.","publishedAt":"2025-02-14T17:52:17.895Z","updatedAt":"2025-02-14T18:09:02.166Z","severity":{"score":3.1,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.6","versionType":"semver"},{"version":"10.4.0","status":"unaffected"},{"version":"9.11.7","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-754"],"ingestedAt":"2026-10-29T20:08:20.985Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/0xxx/CVE-2025-0503.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-0503","state":"PUBLISHED","datePublished":"2025-02-14T17:52:17.895Z","dateUpdated":"2025-02-14T18:09:02.166Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2025-01-15T18:13:55.213Z"},"containers":{"cna":{"title":"Leaked User IDs and Metadata of Deleted DMs","descriptions":[{"lang":"en","value":"Mattermost versions 9.11.x <= 9.11.6 fail to filter out DMs from the deleted channels endpoint which allows an attacker to infer user IDs and other metadata from deleted DMs if someone had manually marked DMs as deleted in the database."}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"9.11.0","status":"affected","lessThanOrEqual":"9.11.6","versionType":"semver"},{"version":"10.4.0","status":"unaffected"},{"version":"9.11.7","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-754","description":"CWE-754: Improper Check for Unusual or Exceptional Conditions","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2025-02-14T17:52:17.895Z"},"credits":[{"lang":"en","type":"finder","value":"Devin Binnie"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost to versions 10.4.0, 9.11.7 or higher.</p>"}],"value":"Update Mattermost to versions 10.4.0, 9.11.7 or higher."}],"source":{"advisory":"MMSA-2024-00413","defect":["https://mattermost.atlassian.net/browse/MM-62201"],"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-02-14T18:08:53.800772Z","id":"CVE-2025-0503","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":"2025-02-14T18:09:02.166Z"}}]}}}