{"id":"CVE-2022-2408","summary":"Guest accounts can list all public channels","details":"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.","modified":"2026-08-27T03:30:20.107003234Z","published":"2022-07-14T17:25:20Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2408.json","unresolved_ranges":[{"extracted_events":[{"last_affected":"6.3.8"},{"introduced":"6.4.x"},{"last_affected":"6.4.x"},{"introduced":"6.7.x 6.7.0"},{"last_affected":"6.7.x 6.7.0"},{"introduced":"6.5.x"},{"last_affected":"6.5.1"},{"introduced":"6.6.x"},{"last_affected":"6.6.1"}],"source":"AFFECTED_FIELD"}],"cna_assigner":"Mattermost","cwe_ids":["CWE-200"]},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/2xxx/CVE-2022-2408.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-2408"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"0"},{"fixed":"a030ae538b9cd373b4e0aa808fc426b82ed24937"},{"introduced":"86a797bc64e7448dbfaa670ed6b8fd7b437e97c3"},{"last_affected":"c4ab2024ae2ceb9d122484d23eab926289d553c6"},{"introduced":"e05e0f9379e1324618601e3ba6111d78710e6319"},{"last_affected":"714d065986fa9f6163b417d9760bf707cc237c71"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"6.3.8"},{"introduced":"6.4.0"},{"last_affected":"6.5.1"},{"introduced":"6.6.0"},{"last_affected":"6.6.0"},{"introduced":"6.6.1"},{"last_affected":"6.6.1"},{"introduced":"6.7.0"},{"last_affected":"6.7.0"}],"source":["CPE_RANGE","CPE_STRING"],"cpe":["cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost:6.6.0:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost:6.6.1:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost:6.7.0:*:*:*:*:*:*:*"]}}],"versions":["6.6.0","6.6.1","6.7.0","v6.7.0","cloud-2022-04-28-1","v6.5.1","v6.3.7","v6.3.6","v6.5.0","v6.3.5","cloud-2022-03-02-1","v6.3.4","v6.3.3","v6.3.2","v6.3.1","v6.3.0","cloud-2021-12-08-1","cloud-2021-11-30-1","cloud-2021-11-23-1","cloud-2021-11-25-1","cloud-2021-11-11-1","cloud-2021-11-09-1","cloud-2021-10-27-1","cloud-2021-10-12-1","cloud-2021-09-29-1","cloud-2021-08-12-1","cloud-2021-07-29-1","cloud-2021-07-15-1","cloud-2021-07-01-1","cloud-2021-06-16-1","cloud-2021-06-02-1","cloud-2021-05-21-1","cloud-2021-05-05-1","cloud-2021-04-22-1","cloud-2021-03-23-1","cloud-2021-03-12-1","cloud-2021-02-25-1","cloud-2021-02-24","cloud-2021-02-10","cloud-2021-01-26","cloud-2021-01-12","cloud-2020-12-18","cloud-2020-12-08","cloud-2020-11-24","v5.2.0-rc2","v5.2.0-rc1","v5.1.0-rc1","v5.0.0-rc1","v4.10.0-rc1","v4.9.0-rc1","v4.8.0-rc1","v4.7.0-rc1","v4.6.0-rc2","v4.6.0-rc1","v4.5.0-rc1","v4.4.0-rc1","v4.3.0-rc1","v4.2.0-rc1","v0.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-2408.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"}]}