{"id":"CVE-2025-21083","aliases":["EUVD-2025-2220","GHSA-h8hh-7xxw-q4pg"],"status":"published","title":"Insufficient Input Validation on Post Props","description":"Mattermost Mobile Apps versions \u003c=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00543,"percentile":0.45962,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1287"],"published":"2025-01-15T16:10:48Z","modified":"2026-10-28T02:30:24Z","products":[{"vendor":"mattermost","product":"mattermost"},{"vendor":"mattermost","product":"mattermost_mobile"}],"references":[{"url":"https://mattermost.com/security-updates","tags":["Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21083","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h8hh-7xxw-q4pg"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21083.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-21083","title":"Insufficient Input Validation on Post Props","description":"Mattermost Mobile Apps versions \u003c=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.","status":"published","published":"2025-01-15T16:10:48.325Z","modified":"2025-01-15T16:48:49.749Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:32:32.702673Z"}],"euvd":[{"id":"EUVD-2025-2220","description":"Mattermost Mobile Apps versions \u003c=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.","status":"published","published":"2025-01-15T16:10:48Z","modified":"2025-01-15T16:48:49Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:19.010388Z"}],"ghsa":[{"id":"GHSA-h8hh-7xxw-q4pg","title":"Mattermost Mobile Apps versions \u003c=2.22.0 fail to properly validate post props which allows a...","description":"Mattermost Mobile Apps versions \u003c=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.","status":"published","published":"2025-01-15T18:30:58Z","modified":"2025-01-15T18:31:09Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:59:32.92588Z"}],"nvd":[{"id":"CVE-2025-21083","description":"Mattermost Mobile Apps versions \u003c=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.","status":"published","published":"2025-01-15T17:15:19.393Z","modified":"2026-06-17T08:42:34.553Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:10:48.713733Z"}],"osv":[{"id":"CVE-2025-21083","title":"Insufficient Input Validation on Post Props","description":"Mattermost Mobile Apps versions \u003c=2.22.0 fail to properly validate post props which allows a malicious authenticated user to cause a crash via a malicious post.","status":"published","published":"2025-01-15T16:10:48.325Z","modified":"2026-10-28T02:30:24.450286075Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T15:44:46.665428Z"}]}}