{"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":null,"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":"REPORT","url":"https://bugs.launchpad.net/ossn/+bug/1188189"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-2255"},{"type":"REPORT","url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2013-2255"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-13T16:43:08.272597925Z"}}