{"id":"CVE-2024-42000","summary":"Unauthorized Access to view channels' details","details":"Mattermost versions 9.10.x \u003c= 9.10.2, 9.11.x \u003c= 9.11.1, 9.5.x \u003c= 9.5.9 and 10.0.x \u003c= 10.0.0 fail to properly authorize the requests to /api/v4/channels  which allows a User or System Manager, with \"Read Groups\" permission but with no access for channels to retrieve details about private channels that they were not a member of by sending a request to /api/v4/channels.","aliases":["BIT-mattermost-2024-42000"],"modified":"2026-08-27T03:31:06.294139324Z","published":"2024-11-09T17:17:25.038Z","database_specific":{"cna_assigner":"Mattermost","cwe_ids":["CWE-863"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42000.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"9.10.0"},{"last_affected":"9.10.2"},{"introduced":"9.11.0"},{"last_affected":"9.11.1"},{"introduced":"9.5.0"},{"last_affected":"9.5.9"},{"introduced":"10.0.0"},{"last_affected":"10.0.0"}]}]},"references":[{"type":"WEB","url":"https://mattermost.com/security-updates"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/42xxx/CVE-2024-42000.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-42000"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mattermost/mattermost","events":[{"introduced":"99d819d25d0b16b3faed901b1fe5c41de7655e9c"},{"fixed":"4fdd366df05a110b843b3419002458bc3e5f135e"},{"introduced":"60c5bb46dfa8192efa5a13c746423f0e7696b8bc"},{"fixed":"49df0979aa1393fb3bb598dabf9c4bcc89f65244"},{"introduced":"0bc2ddd42375a75ab14e63f038165150d4f07659"},{"fixed":"cc5085e380c524570cce4dbad1795e4a1773fdf7"},{"introduced":"2d83d21388f3111bffe4b1f63521b21d77ec2cef"},{"last_affected":"d5f536de455fecd775d46813940e2e5a1e84595d"}],"database_specific":{"cpe":["cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.0.0:-:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc4:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc1:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc2:*:*:*:*:*:*","cpe:2.3:a:mattermost:mattermost_server:10.0.0:rc3:*:*:*:*:*:*"],"extracted_events":[{"introduced":"9.5.0"},{"fixed":"9.5.10"},{"introduced":"9.10.0"},{"fixed":"9.10.3"},{"introduced":"9.11.0"},{"fixed":"9.11.2"},{"introduced":"10.0.0-NA"},{"last_affected":"10.0.0-NA"},{"introduced":"10.0.0-rc4"},{"last_affected":"10.0.0-rc4"},{"introduced":"10.0.0-rc1"},{"last_affected":"10.0.0-rc1"},{"introduced":"10.0.0-rc2"},{"last_affected":"10.0.0-rc2"},{"introduced":"10.0.0-rc3"},{"last_affected":"10.0.0-rc3"}],"source":["CPE_RANGE","CPE_STRING"]}}],"versions":["10.0.0-NA","10.0.0-rc1","10.0.0-rc2","10.0.0-rc3","v9.11.2-rc2","v9.10.3-rc2","v9.5.10-rc2","v9.11.2-rc1","v9.10.3-rc1","v9.5.10-rc1","v9.5.9-rc1","v9.5.9","v9.10.2-rc1","v9.10.2","v9.11.1-rc1","v9.11.1","v9.11.0-rc3","v9.11.0","@mattermost/types@9.11.0","@mattermost/client@9.11.0","v9.5.8-rc2","v9.5.8","v9.10.1-rc3","v9.10.1","v9.10.1-rc2","v9.5.8-rc1","v9.10.1-rc1","v9.5.7-rc3","v9.5.7","v9.10.0-rc3","v9.10.0","@mattermost/types@9.10.0","@mattermost/client@9.10.0","v9.5.7-rc2","v9.5.7-rc1","v9.5.6","v9.5.6-rc2","v9.5.6-rc1","v9.5.5-rc1","v9.5.5","v9.5.4-rc2","v9.5.4","v9.5.4-rc1","v9.5.3","v9.5.3-rc3","v9.5.3-rc2","v9.5.3-rc1","v9.5.2","v9.5.1-rc1","v9.5.1","v9.5.0-rc3","v9.5.0","@mattermost/types@9.5.0","@mattermost/client@9.5.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-42000.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"}]}