{"cve":"CVE-2022-4044","nvd":{"published":"2022-11-23T06:15:09.363","modified":"2026-06-17T05:19:49.937","status":"Modified","description":"A denial-of-service vulnerability in Mattermost allows an authenticated user to crash the server via multiple large autoresponder messages.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5},"cwes":["CWE-770"],"references":["https://hackerone.com/reports/1680241","https://mattermost.com/security-updates/","https://hackerone.com/reports/1680241","https://mattermost.com/security-updates/"],"products":["mattermost:mattermost"],"source":"nvd","synced_at":"2026-10-19T21:37:28.463369388+00:00"},"epss":{"cve":"CVE-2022-4044","score":0.01144,"percentile":0.66721,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-5jph-wrq7-v9hf","url":"https://osv.dev/vulnerability/GHSA-5jph-wrq7-v9hf","summary":"Denial of service in Mattermost","modified":"2023-11-08T04:10:23.895281Z","packages":[{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":["<7.1.4"],"fixed":["7.1.4"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":[">=7.2.0 <7.2.1"],"fixed":["7.2.1"]},{"ecosystem":"Go","name":"github.com/mattermost/mattermost-server","purl":"pkg:golang/github.com/mattermost/mattermost-server","ranges":[">=7.3.0 <7.3.1"],"fixed":["7.3.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}