{"id":"CVE-2021-31245","details":"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the password via a timing attack.","modified":"2026-05-04T08:37:44.628850Z","published":"2021-05-06T13:15:12.607Z","withdrawn":"2026-05-04T08:37:44.628850Z","references":[{"type":"ADVISORY","url":"https://www.openmptcprouter.com/"},{"type":"ADVISORY","url":"https://github.com/Ysurac/openmptcprouter-vps-admin"},{"type":"FIX","url":"https://github.com/Ysurac/openmptcprouter-vps-admin/commit/a01cbc8c3d3b8bb7720bf3ff234671b4c0e1859c#diff-b89ee68e63302a732d4bde35eb04a205b06f1611147e139642356f173195ab80"},{"type":"FIX","url":"https://medium.com/d3crypt/timing-attack-on-openmptcprouter-vps-admin-authentication-cve-2021-31245-12dd92303e1"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31245.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"0.57.3"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}