{"id":"CVE-2013-2255","aliases":["GHSA-qh2x-hpf9-cf2g","PYSEC-2026-2413","PYSEC-2026-2677","PYSEC-2026-3034","PYSEC-2026-656"],"url":"https://o3.security/vulnerability/CVE-2013-2255","summary":"OpenStack Keystone and other components vulnerable to Improper Certificate Validation","details":"HTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.","published":"2019-11-01T19:15:10Z","modified":"2026-07-13T16:43:08.272597925Z","cvss":{"score":5.9,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"},"epss":{"score":0.00962,"percentile":0.58434,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"python-keystoneclient","fixedVersion":"0.4.0"},{"ecosystem":"PyPI","name":"cinder","fixedVersion":"7.0.0a0"},{"ecosystem":"PyPI","name":"neutron","fixedVersion":"7.0.0a0"},{"ecosystem":"PyPI","name":"keystone","fixedVersion":"8.0.0a0"}],"fix":{"url":"https://github.com/openstack/cinder/commit/0f9652d92e175a1f7dc3c2a37ab444b8f189375a","label":"openstack/cinder@0f9652d"},"references":[{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/cve-2013-2255"},{"type":"ADVISORY","url":"https://bugs.launchpad.net/ossn/+bug/1188189"},{"type":"ADVISORY","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-2255"},{"type":"ADVISORY","url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2013-2255"},{"type":"ADVISORY","url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/85562"},{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2013-2255"},{"type":"ADVISORY","url":"https://www.securityfocus.com/bid/61118"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2255"},{"type":"WEB","url":"https://github.com/openstack/cinder/commit/0f9652d92e175a1f7dc3c2a37ab444b8f189375a"},{"type":"WEB","url":"https://github.com/openstack/keystone/commit/5bd4c2984d329625a2a8442b316fa235dbb88a3d"},{"type":"WEB","url":"https://github.com/openstack/neutron/commit/7255e056092f034daaeb4246a812900645d46911"},{"type":"WEB","url":"https://github.com/openstack/python-keystoneclient/commit/20e166fd8a943ee3f91ba362a47e9c14c7cc5f4c"},{"type":"WEB","url":"https://web.archive.org/web/20200229073508/https://www.securityfocus.com/bid/61118"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-13T16:43:08.272597925Z"}}