{"id":"CVE-2024-42406","state":"PUBLISHED","title":"Unauthorized access on archived channels","description":"Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files.","publishedAt":"2024-09-26T08:04:22.939Z","updatedAt":"2024-09-26T13:11:34.682Z","severity":{"score":5.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","source":"Mattermost"},"assigner":"Mattermost","products":["Mattermost Mattermost"],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"9.11.0","status":"affected"},{"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":"10.0.0","status":"unaffected"},{"version":"9.11.1","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-284"],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/42xxx/CVE-2024-42406.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-42406","state":"PUBLISHED","datePublished":"2024-09-26T08:04:22.939Z","dateUpdated":"2024-09-26T13:11:34.682Z","assignerShortName":"Mattermost","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateReserved":"2024-09-23T07:55:36.322Z"},"containers":{"cna":{"title":"Unauthorized access on archived channels","descriptions":[{"lang":"en","value":"Mattermost versions 9.11.x <= 9.11.0, 9.10.x <= 9.10.1, 9.9.x <= 9.9.2 and 9.5.x <= 9.5.8 fail to properly authorize requests when viewing archived channels is disabled, which allows an attacker to retrieve post and file information about archived channels. Examples are flagged or unread posts as well as files."}],"affected":[{"vendor":"Mattermost","product":"Mattermost","defaultStatus":"unaffected","versions":[{"version":"9.11.0","status":"affected"},{"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":"10.0.0","status":"unaffected"},{"version":"9.11.1","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":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284: Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Mattermost","orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","dateUpdated":"2024-09-26T08:04:22.939Z"},"credits":[{"lang":"en","type":"finder","value":"Daniel Espino Garcia"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost to versions 10.0.0, 9.11.1, 9.10.2, 9.9.3, 9.5.9 or higher.</p>"}],"value":"Update Mattermost to versions 10.0.0, 9.11.1, 9.10.2, 9.9.3, 9.5.9 or higher."}],"source":{"advisory":"MMSA-2024-00351","defect":["https://mattermost.atlassian.net/browse/MM-58491"],"discovery":"INTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-26T13:11:20.126365Z","id":"CVE-2024-42406","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":"2024-09-26T13:11:34.682Z"}}]}}}