{"id":"CVE-2020-13891","aliases":["EUVD-2020-6099","GHSA-6vjc-mjgp-qm8w"],"status":"published","title":"An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party...","description":"An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01071,"percentile":0.653,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2020-06-26T16:14:29Z","modified":"2026-06-17T02:53:50Z","products":[{"vendor":"mattermost","product":"mattermost"}],"references":[{"url":"https://mattermost.com/security-updates/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13891"},{"url":"https://github.com/advisories/GHSA-6vjc-mjgp-qm8w"}],"sources":{"cve":[{"id":"CVE-2020-13891","description":"An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.","status":"published","published":"2020-06-26T16:14:29Z","modified":"2024-08-04T12:32:14.331Z","updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-6099","description":"An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.","status":"published","published":"2020-06-26T16:14:29Z","modified":"2024-08-04T12:32:14Z","updated_at":"2026-11-03T03:07:36.182524Z"}],"ghsa":[{"id":"GHSA-6vjc-mjgp-qm8w","title":"An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party...","description":"An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.","status":"published","published":"2022-05-24T17:21:42Z","modified":"2023-01-29T05:03:11Z","cwes":["CWE-200"],"updated_at":"2026-11-02T14:45:16.184529Z"}],"nvd":[{"id":"CVE-2020-13891","description":"An issue was discovered in Mattermost Mobile Apps before 1.31.2 on iOS. Unintended third-party servers could sometimes obtain authorization tokens, aka MMSA-2020-0022.","status":"published","published":"2020-06-26T17:15:10.217Z","modified":"2026-06-17T02:53:50.9Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:08.145904Z"}]}}