{"id":"CVE-2019-20881","aliases":["EUVD-2019-11418","GHSA-r4pj-mfcc-hfr5"],"status":"published","title":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks...","description":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00828,"percentile":0.57944,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-307","CWE-522"],"published":"2020-06-19T16:29:01Z","modified":"2026-10-24T10:30:47Z","products":[{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-20881"},{"url":"https://github.com/advisories/GHSA-r4pj-mfcc-hfr5"}],"sources":{"cve":[{"id":"CVE-2019-20881","description":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.","status":"published","published":"2020-06-19T16:29:01Z","modified":"2024-08-05T02:53:09.496Z","updated_at":"2026-11-02T14:20:17.431882Z"}],"euvd":[{"id":"EUVD-2019-11418","description":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.","status":"published","published":"2020-06-19T16:29:01Z","modified":"2024-08-05T02:53:09Z","updated_at":"2026-11-03T02:40:20.270172Z"}],"ghsa":[{"id":"GHSA-r4pj-mfcc-hfr5","title":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks...","description":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.","status":"published","published":"2022-05-24T17:21:14Z","modified":"2023-01-29T05:03:06Z","cwes":["CWE-522"],"updated_at":"2026-11-02T14:45:14.655741Z"}],"nvd":[{"id":"CVE-2019-20881","description":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.","status":"published","published":"2020-06-19T17:15:13.537Z","modified":"2026-06-17T02:31:22.353Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-307"],"updated_at":"2026-11-02T14:05:47.558959Z"}],"osv":[{"id":"CVE-2019-20881","description":"An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.","status":"published","published":"2020-06-19T17:15:13.537Z","modified":"2026-10-24T10:30:47.486647411Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-02T15:44:12.010761Z"}]}}