{"id":"CVE-2018-16988","aliases":["EUVD-2018-8772","GHSA-42xw-2v8p-rrf7"],"status":"published","title":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover)...","description":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover) exists due to a weak password reset mechanism. A brute-force attack against an MD5 rid value requires only 600 guesses in the plausible situation where the attacker knows that the victim has started a password-reset process (pass_reset.php, password_reset.php, XDUser.php) in the past few minutes.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01648,"percentile":0.76636,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-640"],"published":"2019-05-02T19:38:07Z","modified":"2026-10-24T10:30:43Z","products":[{"vendor":"buffalo","product":"open_xdmod"}],"references":[{"url":"https://github.com/grymer/CVE/blob/master/CVE-2018-16988.md","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-16988"},{"url":"https://github.com/advisories/GHSA-42xw-2v8p-rrf7"}],"sources":{"cve":[{"id":"CVE-2018-16988","description":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover) exists due to a weak password reset mechanism. A brute-force attack against an MD5 rid value requires only 600 guesses in the plausible situation where the attacker knows that the victim has started a password-reset process (pass_reset.php, password_reset.php, XDUser.php) in the past few minutes.","status":"published","published":"2019-05-02T19:38:07Z","modified":"2024-08-05T10:39:58.051Z","updated_at":"2026-11-02T14:35:11.072321Z"}],"euvd":[{"id":"EUVD-2018-8772","description":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover) exists due to a weak password reset mechanism. A brute-force attack against an MD5 rid value requires only 600 guesses in the plausible situation where the attacker knows that the victim has started a password-reset process (pass_reset.php, password_reset.php, XDUser.php) in the past few minutes.","status":"published","published":"2019-05-02T19:38:07Z","modified":"2024-08-05T10:39:58Z","updated_at":"2026-11-03T02:39:39.763591Z"}],"ghsa":[{"id":"GHSA-42xw-2v8p-rrf7","title":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover)...","description":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover) exists due to a weak password reset mechanism. A brute-force attack against an MD5 rid value requires only 600 guesses in the plausible situation where the attacker knows that the victim has started a password-reset process (pass_reset.php, password_reset.php, XDUser.php) in the past few minutes.","status":"published","published":"2022-05-24T16:45:04Z","modified":"2024-04-04T00:26:07Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:55:50.017793Z"}],"nvd":[{"id":"CVE-2018-16988","description":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover) exists due to a weak password reset mechanism. A brute-force attack against an MD5 rid value requires only 600 guesses in the plausible situation where the attacker knows that the victim has started a password-reset process (pass_reset.php, password_reset.php, XDUser.php) in the past few minutes.","status":"published","published":"2019-05-02T20:29:00.617Z","modified":"2026-06-17T01:45:11.137Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:04:57.307075Z"}],"osv":[{"id":"CVE-2018-16988","description":"An issue was discovered in Open XDMoD through 7.5.0. An authentication bypass (account takeover) exists due to a weak password reset mechanism. A brute-force attack against an MD5 rid value requires only 600 guesses in the plausible situation where the attacker knows that the victim has started a password-reset process (pass_reset.php, password_reset.php, XDUser.php) in the past few minutes.","status":"published","published":"2019-05-02T20:29:00.617Z","modified":"2026-10-24T10:30:43.413377844Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:08.533609Z"}]}}