{"id":"CVE-2022-4044","aliases":["EUVD-2022-7242","GHSA-5jph-wrq7-v9hf"],"status":"published","title":"Authenticated user could send multiple requests containing a large Auto Responder Message payload and can crash a Mattermost server","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01144,"percentile":0.66977,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2022-11-23T05:45:39Z","modified":"2026-10-28T02:30:36Z","fixes":[{"ecosystem":"Go","package":"github.com/mattermost/mattermost-server","fixed_in":["7.1.4","7.2.1","7.3.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.1.4"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.2.0"},{"fixed":"7.2.1"}]}]},{"source":"ghsa","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.3.0"},{"fixed":"7.3.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.1.4"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"7.2.0"},{"fixed":"7.2.1"}]}]},{"source":"osv","ecosystem":"Go","package":"github.com/mattermost/mattermost-server","ranges":[{"type":"SEMVER","events":[{"introduced":"7.3.0"},{"fixed":"7.3.1"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://hackerone.com/reports/1680241","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-4044","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-5jph-wrq7-v9hf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/4xxx/CVE-2022-4044.json","tags":["advisory"]},{"url":"https://mattermost.com/security-updates","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2022-4044","title":"Authenticated user could send multiple requests containing a large Auto Responder Message payload and can crash a Mattermost server","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","status":"published","published":"2022-11-23T05:45:39.948Z","modified":"2024-12-06T23:07:25.045Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:34:38.263045Z"}],"euvd":[{"id":"EUVD-2022-7242","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","status":"published","published":"2022-11-23T05:45:39Z","modified":"2024-12-06T23:07:25Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-03T00:04:38.652605Z"}],"ghsa":[{"id":"GHSA-5jph-wrq7-v9hf","title":"Denial of service in Mattermost","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","status":"published","published":"2022-11-23T06:30:24Z","modified":"2023-01-29T05:05:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:36:25.835323Z"}],"nvd":[{"id":"CVE-2022-4044","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","status":"published","published":"2022-11-23T06:15:09.363Z","modified":"2026-06-17T05:19:49.937Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:07:32.827264Z"}],"osv":[{"id":"CVE-2022-4044","title":"Authenticated user could send multiple requests containing a large Auto Responder Message payload and can crash a Mattermost server","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","status":"published","published":"2022-11-23T05:45:39.948Z","modified":"2026-10-28T02:30:36.843340714Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:44:26.860704Z"},{"id":"GHSA-5jph-wrq7-v9hf","title":"Denial of service in Mattermost","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","status":"published","published":"2022-11-23T06:30:24Z","modified":"2023-11-08T04:10:23.895281Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:46:38.553953Z"}]}}
