{"id":"CVE-2021-31245","aliases":["EUVD-2021-18157","GHSA-xj46-h769-7fq6"],"status":"published","title":"omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password...","description":"omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password with the original password in a length dependent manner, which allows remote attackers to guess the password via a timing attack.","severity":{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02087,"percentile":0.8183,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-05-06T11:45:16Z","modified":"2026-06-17T03:51:30Z","products":[{"vendor":"openmptcprouter","product":"openmptcprouter"}],"references":[{"url":"https://github.com/Ysurac/openmptcprouter-vps-admin","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.openmptcprouter.com/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory"]},{"url":"https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31245"},{"url":"https://github.com/advisories/GHSA-xj46-h769-7fq6"}],"sources":{"cve":[{"id":"CVE-2021-31245","description":"omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password with the original password in a length dependent manner, which allows remote attackers to guess the password via a timing attack.","status":"published","published":"2021-05-06T11:45:16Z","modified":"2024-08-03T22:55:53.471Z","updated_at":"2026-11-02T14:33:05.665371Z"}],"euvd":[{"id":"EUVD-2021-18157","description":"omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password with the original password in a length dependent manner, which allows remote attackers to guess the password via a timing attack.","status":"published","published":"2021-05-06T11:45:16Z","modified":"2024-08-03T22:55:53Z","updated_at":"2026-11-03T03:24:39.559154Z"}],"ghsa":[{"id":"GHSA-xj46-h769-7fq6","title":"omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password...","description":"omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password with the original password in a length dependent manner, which allows remote attackers to guess the password via a timing attack.","status":"published","published":"2022-05-24T19:01:31Z","modified":"2023-01-29T05:06:36Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:03.953317Z"}],"nvd":[{"id":"CVE-2021-31245","description":"omr-admin.py in openmptcprouter-vps-admin 0.57.3 and earlier compares the user provided password with the original password in a length dependent manner, which allows remote attackers to guess the password via a timing attack.","status":"published","published":"2021-05-06T13:15:12.607Z","modified":"2026-06-17T03:51:30.05Z","cvss":[{"version":"3.1","score":5.9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}