{"id":"CVE-2024-9155","state":"PUBLISHED","title":"Insufficient Authorization On Unlinked Channel Files","description":"Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of.","publishedAt":"2024-09-26T14:57:43.987Z","updatedAt":"2024-09-26T15:17:25.819Z","severity":{"score":4.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/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":"9.10.0","status":"affected","lessThanOrEqual":"9.10.1","versionType":"semver"},{"version":"9.9.0","status":"affected","lessThanOrEqual":"9.9.2","versionType":"semver"},{"version":"9.5.0","status":"affected","lessThanOrEqual":"9.5.8","versionType":"semver"},{"version":"9.11.0","status":"unaffected"},{"version":"9.10.2","status":"unaffected"},{"version":"9.9.3","status":"unaffected"},{"version":"9.5.9","status":"unaffected"}]}],"references":["https://mattermost.com/security-updates"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:08:20.985Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/9xxx/CVE-2024-9155.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-9155","state":"PUBLISHED","datePublished":"2024-09-26T14:57:43.987Z","dateUpdated":"2024-09-26T15:17:25.819Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2024-09-24T15:39:50.114Z"},"containers":{"cna":{"title":"Insufficient Authorization On Unlinked Channel Files","descriptions":[{"lang":"en","value":"Mattermost versions 9.10.x <= 9.10.1, 9.9.x <= 9.9.2, 9.5.x <= 9.5.8 fail to limit access to channels files that have not been linked to a post which allows an attacker to view them in channels that they are a member of."}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"9.10.0","status":"affected","lessThanOrEqual":"9.10.1","versionType":"semver"},{"version":"9.9.0","status":"affected","lessThanOrEqual":"9.9.2","versionType":"semver"},{"version":"9.5.0","status":"affected","lessThanOrEqual":"9.5.8","versionType":"semver"},{"version":"9.11.0","status":"unaffected"},{"version":"9.10.2","status":"unaffected"},{"version":"9.9.3","status":"unaffected"},{"version":"9.5.9","status":"unaffected"}]}],"references":[{"url":"https://mattermost.com/security-updates"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/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-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2024-09-26T14:57:43.987Z"},"credits":[{"lang":"en","type":"finder","value":"Lorenzo Gallegos"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost to versions 9.11.0, 9.10.2, 9.9.3, 9.5.9 or higher.</p>"}],"value":"Update Mattermost to versions 9.11.0, 9.10.2, 9.9.3, 9.5.9 or higher."}],"source":{"advisory":"MMSA-2024-00362","defect":["https://mattermost.atlassian.net/browse/MM-58774"],"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-26T15:17:17.560859Z","id":"CVE-2024-9155","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":"2024-09-26T15:17:25.819Z"}}]}}}