{"id":"CVE-2014-2828","aliases":["GHSA-6mv3-p2gr-wgqf","PYSEC-2014-106"],"url":"https://o3.security/vulnerability/CVE-2014-2828","summary":"OpenStack Identity (Keystone) DoS through V3 API authentication chaining","details":"The V3 API in OpenStack Identity (Keystone) 2013.1 before 2013.2.4 and icehouse before icehouse-rc2 allows remote attackers to cause a denial of service (CPU consumption) via a large number of the same authentication method in a request, aka \"authentication chaining.\"","published":"2014-04-15T14:55:04Z","modified":"2026-04-10T03:43:43.142848Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"keystone","fixedVersion":"8.0.0a0"}],"fix":{"url":"https://github.com/openstack/keystone/commit/ce6cedb30c5c4b4cf4db9380f09443de22414b39","label":"openstack/keystone@ce6cedb"},"references":[{"type":"ADVISORY","url":"http://rhn.redhat.com/errata/RHSA-2014-1688.html"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2014/04/10/20"},{"type":"WEB","url":"https://bugs.launchpad.net/keystone/+bug/1300274"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2014-2828"},{"type":"WEB","url":"https://github.com/openstack/keystone/commit/ce6cedb30c5c4b4cf4db9380f09443de22414b39"},{"type":"WEB","url":"https://github.com/openstack/keystone/commit/e364ba5b12de8e4c11bd80bcca903f9615dcfc2e"},{"type":"WEB","url":"https://github.com/openstack/keystone/commit/ef868ad92c00e23a4a5e9eb71e3e0bf5ae2fff0c"},{"type":"PACKAGE","url":"https://github.com/openstack/keystone"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/keystone/PYSEC-2014-106.yaml"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:43:43.142848Z"}}