{"affected":[{"affectedData":[{"product":"Mattermost","vendor":"Mattermost","versions":[{"lessThanOrEqual":"6.3.8","status":"affected","version":"unspecified","versionType":"custom"},{"status":"affected","version":"6.4.x"},{"status":"affected","version":"6.7.x 6.7.0"},{"lessThanOrEqual":"6.5.1","status":"affected","version":"6.5.x","versionType":"custom"},{"lessThanOrEqual":"6.6.1","status":"affected","version":"6.6.x","versionType":"custom"}]}],"source":"responsibledisclosure@mattermost.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*","matchCriteriaId":"F3029CCE-B6F4-4AB9-A48A-D7F4067DEFE8","versionEndExcluding":"6.3.8","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*","matchCriteriaId":"54574FF7-8E64-4C4A-855D-716CB79C1B81","versionEndIncluding":"6.5.1","versionStartIncluding":"6.4.0","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost:6.6.0:*:*:*:*:*:*:*","matchCriteriaId":"6DB27A25-5C62-4DEF-8CE5-BFD0605D60F3","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost:6.6.1:*:*:*:*:*:*:*","matchCriteriaId":"F3CCC890-55C7-40B8-9FF8-F80811BD60A4","vulnerable":true},{"criteria":"cpe:2.3:a:mattermost:mattermost:6.7.0:*:*:*:*:*:*:*","matchCriteriaId":"6E7308C7-2774-49E3-8136-EF304DBDB110","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"The Guest account feature in Mattermost version 6.7.0 and earlier fails to properly restrict the permissions, which allows a guest user to fetch a list of all public channels in the team, in spite of not being part of those channels."},{"lang":"es","value":"La función de cuenta de invitado en Mattermost versiones 6.7.0 y anteriores no restringe apropiadamente los permisos, lo que permite a un usuario invitado conseguir una lista de todos los canales públicos del equipo, a pesar de no formar parte de esos canales"}],"id":"CVE-2022-2408","lastModified":"2026-06-17T04:41:50.510","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"SINGLE","availabilityImpact":"NONE","baseScore":4.0,"confidentialityImpact":"PARTIAL","integrityImpact":"NONE","vectorString":"AV:N/AC:L/Au:S/C:P/I:N/A:N","version":"2.0"},"exploitabilityScore":8.0,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"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"},"exploitabilityScore":2.8,"impactScore":1.4,"source":"responsibledisclosure@mattermost.com","type":"Secondary"},{"cvssData":{"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"},"exploitabilityScore":2.8,"impactScore":1.4,"source":"nvd@nist.gov","type":"Primary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2022-2408","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2024-12-06T22:52:41.864582Z","version":"2.0.3"}}]},"published":"2022-07-14T18:15:08.420","references":[{"source":"responsibledisclosure@mattermost.com","tags":["Vendor Advisory"],"url":"https://mattermost.com/security-updates/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://mattermost.com/security-updates/"}],"sourceIdentifier":"responsibledisclosure@mattermost.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-200"}],"source":"responsibledisclosure@mattermost.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-863"}],"source":"nvd@nist.gov","type":"Primary"}]}