{"id":"CVE-2015-7764","aliases":["PYSEC-2017-50"],"url":"https://o3.security/vulnerability/CVE-2015-7764","summary":"Lemur uses static IV per key","details":"Lemur 0.1.4 does not use sufficient entropy in its IV when encrypting AES in CBC mode.","published":"2022-05-13T01:30:21Z","modified":"2026-09-10T03:49:22.227010371Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"lemur","fixedVersion":"0.1.5"}],"fix":{"url":"https://github.com/Netflix/lemur/commit/394e18f76e5eb534d95160945ebc231ec3b4c794","label":"Netflix/lemur@394e18f"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2015-7764"},{"type":"WEB","url":"https://github.com/Netflix/lemur/issues/117"},{"type":"WEB","url":"https://github.com/kvesteri/sqlalchemy-utils/issues/166"},{"type":"WEB","url":"https://github.com/Netflix/lemur/commit/394e18f76e5eb534d95160945ebc231ec3b4c794"},{"type":"PACKAGE","url":"https://github.com/Netflix/lemur"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/lemur/PYSEC-2017-50.yaml"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2015/10/20/3"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T03:49:22.227010371Z"}}