{"id":"CVE-2021-27181","aliases":["EUVD-2021-13948","GHSA-67cc-qhr2-wwqr"],"status":"published","title":"An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to...","description":"An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to perform a fixation of the anti-CSRF token. In order to exploit this issue, the user has to click on a malicious URL provided by the attacker and successfully authenticate into the application. Having the value of the anti-CSRF token, the attacker may trick the user into visiting his malicious page and performing any request with the privileges of attacked user.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0065,"percentile":0.51502,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352"],"published":"2021-04-14T22:28:29Z","modified":"2026-06-17T03:44:25Z","products":[{"vendor":"altn","product":"mdaemon"}],"references":[{"url":"https://www.altn.com/Support/SecurityUpdate/MD011221_MDaemon_EN/","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://github.com/chudyPB/MDaemon-Advisories","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27181"},{"url":"https://github.com/advisories/GHSA-67cc-qhr2-wwqr"}],"sources":{"cve":[{"id":"CVE-2021-27181","description":"An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to perform a fixation of the anti-CSRF token. In order to exploit this issue, the user has to click on a malicious URL provided by the attacker and successfully authenticate into the application. Having the value of the anti-CSRF token, the attacker may trick the user into visiting his malicious page and performing any request with the privileges of attacked user.","status":"published","published":"2021-04-14T22:28:29Z","modified":"2024-08-03T20:40:47.502Z","updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-13948","description":"An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to perform a fixation of the anti-CSRF token. In order to exploit this issue, the user has to click on a malicious URL provided by the attacker and successfully authenticate into the application. Having the value of the anti-CSRF token, the attacker may trick the user into visiting his malicious page and performing any request with the privileges of attacked user.","status":"published","published":"2021-04-14T22:28:29Z","modified":"2024-08-03T20:40:47Z","updated_at":"2026-11-03T03:24:49.808499Z"}],"ghsa":[{"id":"GHSA-67cc-qhr2-wwqr","title":"An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to...","description":"An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to perform a fixation of the anti-CSRF token. In order to exploit this issue, the user has to click on a malicious URL provided by the attacker and successfully authenticate into the application. Having the value of the anti-CSRF token, the attacker may trick the user into visiting his malicious page and performing any request with the privileges of attacked user.","status":"published","published":"2022-05-24T17:47:42Z","modified":"2023-01-29T05:07:17Z","cwes":["CWE-352"],"updated_at":"2026-11-02T14:46:09.625645Z"}],"nvd":[{"id":"CVE-2021-27181","description":"An issue was discovered in MDaemon before 20.0.4. Remote Administration allows an attacker to perform a fixation of the anti-CSRF token. In order to exploit this issue, the user has to click on a malicious URL provided by the attacker and successfully authenticate into the application. Having the value of the anti-CSRF token, the attacker may trick the user into visiting his malicious page and performing any request with the privileges of attacked user.","status":"published","published":"2021-04-14T23:15:12.197Z","modified":"2026-06-17T03:44:25.07Z","cvss":[{"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"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-352"],"updated_at":"2026-11-02T14:06:52.03307Z"}]}}