{"id":"CVE-2024-43813","aliases":["EUVD-2024-40463","GHSA-p433-57hw-rf68"],"status":"published","title":"IDOR when marking read a user's channel","description":"Mattermost versions 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00244,"percentile":0.15696,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2024-08-22T06:30:58Z","modified":"2026-10-28T02:30:26Z","products":[{"vendor":"mattermost","product":"mattermost"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-43813","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-p433-57hw-rf68"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/43xxx/CVE-2024-43813.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-43813","title":"IDOR when marking read a user's channel","description":"Mattermost versions 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.","status":"published","published":"2024-08-22T06:30:58.923Z","modified":"2024-08-22T19:53:37.226Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:33:58.839967Z"}],"euvd":[{"id":"EUVD-2024-40463","description":"Mattermost versions 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.","status":"published","published":"2024-08-22T06:30:58Z","modified":"2024-08-22T19:53:37Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-03T00:56:12.794655Z"}],"ghsa":[{"id":"GHSA-p433-57hw-rf68","title":"Mattermost versions 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0 fail to enforce proper access controls which...","description":"Mattermost versions 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.","status":"published","published":"2024-08-22T09:30:32Z","modified":"2024-08-22T09:30:33Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:58:02.951823Z"}],"nvd":[{"id":"CVE-2024-43813","description":"Mattermost versions 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.","status":"published","published":"2024-08-22T07:15:04.62Z","modified":"2026-06-17T07:51:45.76Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:10:19.870727Z"}],"osv":[{"id":"CVE-2024-43813","title":"IDOR when marking read a user's channel","description":"Mattermost versions 9.5.x \u003c= 9.5.7, 9.10.x \u003c= 9.10.0 fail to enforce proper access controls which allows any authenticated user, including guests, to mark any channel inside any team as read for any user.","status":"published","published":"2024-08-22T06:30:58.923Z","modified":"2026-10-28T02:30:26.097257578Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:44:42.322107Z"}]}}