{"id":"CVE-2025-20630","aliases":["EUVD-2025-2180","GHSA-93w4-x8jh-j7m2"],"status":"published","title":"Mobile crash via object that can't be cast to String in Attachment Field","description":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.","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":0.00638,"percentile":0.50917,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1287"],"published":"2025-01-16T18:18:58Z","modified":"2026-10-28T02:30:45Z","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-2025-20630","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-93w4-x8jh-j7m2"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/20xxx/CVE-2025-20630.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-20630","title":"Mobile crash via object that can't be cast to String in Attachment Field","description":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.","status":"published","published":"2025-01-16T18:18:58.742Z","modified":"2025-01-16T18:55:51.501Z","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":"2026-11-02T14:32:25.5658Z"}],"euvd":[{"id":"EUVD-2025-2180","description":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.","status":"published","published":"2025-01-16T18:18:58Z","modified":"2025-01-16T18:55:51Z","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":"2026-11-03T00:04:18.077485Z"}],"ghsa":[{"id":"GHSA-93w4-x8jh-j7m2","title":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing...","description":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.","status":"published","published":"2025-01-16T21:30:58Z","modified":"2025-01-16T21:31:06Z","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":"2026-11-02T14:59:34.007286Z"}],"nvd":[{"id":"CVE-2025-20630","description":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.","status":"published","published":"2025-01-16T19:15:30.11Z","modified":"2026-06-17T08:41:42.093Z","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"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-1287"],"updated_at":"2026-11-02T14:10:48.713733Z"}],"osv":[{"id":"CVE-2025-20630","title":"Mobile crash via object that can't be cast to String in Attachment Field","description":"Mattermost Mobile versions \u003c=2.22.0 fail to properly handle posts with attachments containing fields that cannot be cast to a String, which allows an attacker to cause the mobile to crash via creating and sending such a post to a channel.","status":"published","published":"2025-01-16T18:18:58.742Z","modified":"2026-10-28T02:30:45.973366603Z","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"}]}}