{"id":"CVE-2016-2513","aliases":["GHSA-fp6p-5xvw-m74f","PYSEC-2016-16"],"url":"https://o3.security/vulnerability/CVE-2016-2513","summary":"Django User Enumeration Vulnerability","details":"The password hasher in contrib/auth/hashers.py in Django before 1.8.10 and 1.9.x before 1.9.3 allows remote attackers to enumerate users via a timing attack involving login requests.","published":"2016-04-08T15:59:07.230Z","modified":"2026-07-08T12:05:50.993505Z","cvss":{"score":3.1,"severity":"LOW","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N"},"epss":{"score":0.03345,"percentile":0.87734,"asOf":"2026-08-22"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"1.8.10"},{"ecosystem":"PyPI","name":"django","fixedVersion":"1.9.3"}],"fix":{"url":"https://github.com/django/django/commit/67b46ba7016da2d259c1ecc7d666d11f5e1cfaab","label":"django/django@67b46ba"},"references":[{"type":"WEB","url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"},{"type":"WEB","url":"http://www.securityfocus.com/bid/83878"},{"type":"WEB","url":"http://www.securitytracker.com/id/1035152"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-0502.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-0504.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-0505.html"},{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2016-0506.html"},{"type":"ADVISORY","url":"http://www.debian.org/security/2016/dsa-3544"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2915-1"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2915-2"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-2915-3"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2016/mar/01/security-releases/"},{"type":"FIX","url":"https://github.com/django/django/commit/67b46ba7016da2d259c1ecc7d666d11f5e1cfaab"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T12:05:50.993505Z"}}