{"id":"CVE-2020-14460","aliases":["BIT-mattermost-2020-14460","EUVD-2020-6597","GHSA-q3mp-8r6g-jvm4"],"status":"published","title":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8....","description":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00791,"percentile":0.56561,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-269"],"published":"2020-06-19T13:16:12Z","modified":"2026-10-24T10:30:19Z","fixes":[{"ecosystem":"Bitnami","package":"mattermost","fixed_in":["5.9.8","5.16.5","5.17.3","5.18.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mattermost","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.9.8"},{"introduced":"5.16.0"},{"fixed":"5.16.5"},{"introduced":"5.17.0"},{"fixed":"5.17.3"},{"introduced":"5.18.0"},{"fixed":"5.18.1"}]},{"type":"SEMVER","events":[{"introduced":"5.19.0-rc1"},{"last_affected":"5.19.0-rc1"},{"introduced":"5.19.0-rc2"},{"last_affected":"5.19.0-rc2"},{"introduced":"5.19.0-rc3"},{"last_affected":"5.19.0-rc3"}]}]}],"products":[{"vendor":"mattermost","product":"mattermost_server"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14460","tags":["web"]},{"url":"https://github.com/advisories/GHSA-q3mp-8r6g-jvm4"}],"sources":{"cve":[{"id":"CVE-2020-14460","description":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.","status":"published","published":"2020-06-19T13:16:12Z","modified":"2024-08-04T12:46:34.481Z","updated_at":"2026-11-02T14:35:46.476719Z"}],"euvd":[{"id":"EUVD-2020-6597","description":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.","status":"published","published":"2020-06-19T13:16:12Z","modified":"2024-08-04T12:46:34Z","updated_at":"2026-11-03T03:07:34.099541Z"}],"ghsa":[{"id":"GHSA-q3mp-8r6g-jvm4","title":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8....","description":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.","status":"published","published":"2022-05-24T17:21:17Z","modified":"2023-01-29T05:03:23Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:45:18.510464Z"}],"nvd":[{"id":"CVE-2020-14460","description":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.","status":"published","published":"2020-06-19T14:15:12.01Z","modified":"2026-06-17T02:54:49.01Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"CVE-2020-14460","description":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.","status":"published","published":"2020-06-19T14:15:12.01Z","modified":"2026-10-24T10:30:19.542704667Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:14.418339Z"},{"id":"BIT-mattermost-2020-14460","description":"An issue was discovered in Mattermost Server before 5.19.0, 5.18.1, 5.17.3, 5.16.5, and 5.9.8. Creation of a trusted OAuth application does not always require admin privileges, aka MMSA-2020-0001.","status":"published","published":"2024-03-06T11:05:18.275Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"}]}}