{"cve":"CVE-2014-2828","nvd":{"published":"2014-04-15T14:55:04.857","modified":"2026-06-17T00:07:13.737","status":"Modified","description":"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.\"","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://rhn.redhat.com/errata/RHSA-2014-1688.html","http://www.openwall.com/lists/oss-security/2014/04/10/20","https://bugs.launchpad.net/keystone/+bug/1300274","http://rhn.redhat.com/errata/RHSA-2014-1688.html","http://www.openwall.com/lists/oss-security/2014/04/10/20"],"products":["openstack:keystone"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2014-2828","score":0.03216,"percentile":0.88206,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-6mv3-p2gr-wgqf","url":"https://osv.dev/vulnerability/GHSA-6mv3-p2gr-wgqf","summary":"OpenStack Identity (Keystone) DoS through V3 API authentication chaining","modified":"2025-04-13T23:14:20Z","packages":[{"ecosystem":"PyPI","name":"keystone","purl":"pkg:pypi/keystone","ranges":["<8.0.0a0"],"fixed":["8.0.0a0"]}]},{"id":"PYSEC-2014-106","url":"https://osv.dev/vulnerability/PYSEC-2014-106","summary":"","modified":"2024-11-25T22:42:19.102752Z","packages":[{"ecosystem":"PyPI","name":"keystone","purl":"pkg:pypi/keystone","ranges":["<8.0.0a0"],"fixed":["8.0.0a0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}