{"id":"CVE-2020-14454","aliases":["EUVD-2020-6592","GHSA-vj22-q67m-5jc3"],"status":"published","title":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in...","description":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00746,"percentile":0.55132,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2020-06-19T13:10:48Z","modified":"2026-10-24T10:30:17Z","products":[{"vendor":"mattermost","product":"mattermost_desktop"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-14454"},{"url":"https://github.com/advisories/GHSA-vj22-q67m-5jc3"}],"sources":{"cve":[{"id":"CVE-2020-14454","description":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.","status":"published","published":"2020-06-19T13:10:48Z","modified":"2024-08-04T12:46:34.571Z","updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2020-6592","description":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.","status":"published","published":"2020-06-19T13:10:48Z","modified":"2024-08-04T12:46:34Z","updated_at":"2026-11-03T03:07:34.099541Z"}],"ghsa":[{"id":"GHSA-vj22-q67m-5jc3","title":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in...","description":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.","status":"published","published":"2022-05-24T17:21:17Z","modified":"2023-01-29T05:03:06Z","updated_at":"2026-11-02T14:45:14.655741Z"}],"nvd":[{"id":"CVE-2020-14454","description":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.","status":"published","published":"2020-06-19T14:15:11.65Z","modified":"2026-06-17T02:54:48.36Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:06:07.249892Z"}],"osv":[{"id":"CVE-2020-14454","description":"An issue was discovered in Mattermost Desktop App before 4.4.0. Attackers can open web pages in the desktop application because server redirection is mishandled, aka MMSA-2020-0008.","status":"published","published":"2020-06-19T14:15:11.65Z","modified":"2026-10-24T10:30:17.221297201Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:14.418339Z"}]}}