{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-39777","assignerOrgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","state":"PUBLISHED","assignerShortName":"Mattermost","dateReserved":"2024-07-23T17:55:45.316Z","datePublished":"2024-08-01T14:05:03.701Z","dateUpdated":"2024-08-01T16:07:03.592Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Mattermost","vendor":"Mattermost","versions":[{"status":"affected","version":"9.9.0"},{"lessThanOrEqual":"9.5.6","status":"affected","version":"9.5.0","versionType":"semver"},{"lessThanOrEqual":"9.7.5","status":"affected","version":"9.7.0","versionType":"semver"},{"lessThanOrEqual":"9.8.1","status":"affected","version":"9.8.0","versionType":"semver"},{"status":"unaffected","version":"9.10.0"},{"status":"unaffected","version":"9.9.1"},{"status":"unaffected","version":"9.5.7"},{"status":"unaffected","version":"9.7.6"},{"status":"unaffected","version":"9.8.2"}]}],"credits":[{"lang":"en","type":"finder","value":"Juho Forsén"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Mattermost versions 9.9.x &lt;= 9.9.0, 9.5.x &lt;= 9.5.6, 9.7.x &lt;= 9.7.5 and 9.8.x &lt;= 9.8.1 fail to disallow&nbsp;unsolicited invites to expose access to local channels, when shared channels are enabled,&nbsp;which allows a malicious&nbsp;remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin.</p>"}],"value":"Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5 and 9.8.x <= 9.8.1 fail to disallow unsolicited invites to expose access to local channels, when shared channels are enabled, which allows a malicious remote to send an invite with the ID of an existing local channel, and that local channel will then become shared without the consent of the local admin."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/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":{"orgId":"9302f53e-dde5-4bf3-b2f2-a83f91ac0eee","shortName":"Mattermost","dateUpdated":"2024-08-01T14:05:03.701Z"},"references":[{"url":"https://mattermost.com/security-updates"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Update Mattermost to versions 9.10.0, 9.9.1, 9.5.7, 9.7.6, 9.8.2 or higher.</p>"}],"value":"Update Mattermost to versions 9.10.0, 9.9.1, 9.5.7, 9.7.6, 9.8.2 or higher."}],"source":{"advisory":"MMSA-2024-00331","defect":["https://mattermost.atlassian.net/browse/MM-57870"],"discovery":"INTERNAL"},"title":"Malicious remote can invite itself to an arbitrary local channel","x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"affected":[{"vendor":"mattermost","product":"mattermost","cpes":["cpe:2.3:a:mattermost:mattermost:-:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"9.9.0","status":"affected"},{"version":"9.5.0","status":"affected","lessThanOrEqual":"9.5.6","versionType":"semver"},{"version":"9.7.0","status":"affected","lessThanOrEqual":"9.7.5","versionType":"semver"},{"version":"9.8.0","status":"affected","lessThanOrEqual":"9.8.1","versionType":"semver"},{"version":"9.10.0","status":"unaffected"},{"version":"9.9.1","status":"unaffected"},{"version":"9.5.7","status":"unaffected"},{"version":"9.7.6","status":"unaffected"},{"version":"9.8.2","status":"unaffected"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-01T14:33:32.102355Z","id":"CVE-2024-39777","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-08-01T16:07:03.592Z"}}]}}