{"id":"CVE-2025-25198","aliases":["EUVD-2025-4084","GHSA-3mvx-qw4r-fcqf"],"status":"published","title":"mailcow: dockerized vulnerable to password reset poisoning","description":"mailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset functionality allows an attacker to manipulate the `Host HTTP` header to generate a password reset link pointing to an attacker-controlled domain. This can lead to account takeover if a user clicks the poisoned link. Version 2025-01a contains a patch. As a workaround, deactivate the password reset functionality by clearing `Notification email sender` and `Notification email subject` under System -\u003e Configuration -\u003e Options -\u003e Password Settings.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01121,"percentile":0.66609,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-601"],"published":"2025-02-12T17:46:06Z","modified":"2026-10-28T02:31:14Z","exploits":[{"source":"exploitdb","id":"EDB-52485","title":"mailcow 2025-01a - Host Header Password Reset Poisoning","type":"webapps","platform":"multiple","date":"2026-03-03","url":"https://www.exploit-db.com/exploits/52485"},{"source":"pocgithub","id":"Groppoxx/CVE-2025-25198-PoC","title":"Groppoxx/CVE-2025-25198-PoC","date":"2025-10-14","url":"https://github.com/Groppoxx/CVE-2025-25198-PoC"},{"source":"pocgithub","id":"enzocipher/CVE-2025-25198","title":"enzocipher/CVE-2025-25198","date":"2025-10-14","url":"https://github.com/enzocipher/CVE-2025-25198"}],"products":[{"vendor":"mailcow","product":"mailcow-dockerized"},{"vendor":"mailcow","product":"mailcow\\"}],"references":[{"url":"https://github.com/mailcow/mailcow-dockerized/security/advisories/GHSA-3mvx-qw4r-fcqf","tags":["x_refsource_CONFIRM","Vendor Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/25xxx/CVE-2025-25198.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-25198","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-25198","title":"mailcow: dockerized vulnerable to password reset poisoning","description":"mailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset functionality allows an attacker to manipulate the `Host HTTP` header to generate a password reset link pointing to an attacker-controlled domain. This can lead to account takeover if a user clicks the poisoned link. Version 2025-01a contains a patch. As a workaround, deactivate the password reset functionality by clearing `Notification email sender` and `Notification email subject` under System -\u003e Configuration -\u003e Options -\u003e Password Settings.","status":"published","published":"2025-02-12T17:46:06.491Z","modified":"2025-02-12T19:52:25.823Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:32:31.971896Z"}],"euvd":[{"id":"EUVD-2025-4084","description":"mailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset functionality allows an attacker to manipulate the `Host HTTP` header to generate a password reset link pointing to an attacker-controlled domain. This can lead to account takeover if a user clicks the poisoned link. Version 2025-01a contains a patch. As a workaround, deactivate the password reset functionality by clearing `Notification email sender` and `Notification email subject` under System -\u003e Configuration -\u003e Options -\u003e Password Settings.","status":"published","published":"2025-02-12T17:46:06Z","modified":"2025-02-12T19:52:25Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:03:56.967798Z"}],"nvd":[{"id":"CVE-2025-25198","description":"mailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset functionality allows an attacker to manipulate the `Host HTTP` header to generate a password reset link pointing to an attacker-controlled domain. This can lead to account takeover if a user clicks the poisoned link. Version 2025-01a contains a patch. As a workaround, deactivate the password reset functionality by clearing `Notification email sender` and `Notification email subject` under System -\u003e Configuration -\u003e Options -\u003e Password Settings.","status":"published","published":"2025-02-12T18:15:27.757Z","modified":"2026-06-17T09:00:28.11Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:10:51.445921Z"}],"osv":[{"id":"CVE-2025-25198","title":"mailcow: dockerized vulnerable to password reset poisoning","description":"mailcow: dockerized is an open source groupware/email suite based on docker. Prior to version 2025-01a, a vulnerability in mailcow's password reset functionality allows an attacker to manipulate the `Host HTTP` header to generate a password reset link pointing to an attacker-controlled domain. This can lead to account takeover if a user clicks the poisoned link. Version 2025-01a contains a patch. As a workaround, deactivate the password reset functionality by clearing `Notification email sender` and `Notification email subject` under System -\u003e Configuration -\u003e Options -\u003e Password Settings.","status":"published","published":"2025-02-12T17:46:06.491Z","modified":"2026-10-28T02:31:14.501140579Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:44:47.386092Z"}]}}