{"id":"CVE-2013-2255","aliases":["GHSA-qh2x-hpf9-cf2g","PYSEC-2026-656"],"title":"OpenStack Keystone and other components vulnerable to Improper Certificate Validation","summary":"OpenStack Keystone and other components vulnerable to Improper Certificate Validation","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","vendor":"python-keystoneclient","product":"python-keystoneclient","ecosystem":"pip","affected":["python-keystoneclient < 0.4.0","cinder < 7.0.0a0","neutron < 7.0.0a0","keystone < 8.0.0a0"],"patched":["python-keystoneclient 0.4.0","cinder 7.0.0a0","neutron 7.0.0a0","keystone 8.0.0a0"],"published":"2022-05-05","updated":"2026-07-06","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-qh2x-hpf9-cf2g","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2013-2255"},{"url":"https://github.com/openstack/cinder/commit/0f9652d92e175a1f7dc3c2a37ab444b8f189375a"},{"url":"https://github.com/openstack/keystone/commit/5bd4c2984d329625a2a8442b316fa235dbb88a3d"},{"url":"https://github.com/openstack/neutron/commit/7255e056092f034daaeb4246a812900645d46911"},{"url":"https://github.com/openstack/python-keystoneclient/commit/20e166fd8a943ee3f91ba362a47e9c14c7cc5f4c"},{"url":"https://access.redhat.com/security/cve/cve-2013-2255"},{"url":"https://bugs.launchpad.net/ossn/+bug/1188189"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-2255"},{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2013-2255"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/85562"},{"url":"https://security-tracker.debian.org/tracker/CVE-2013-2255"},{"url":"https://web.archive.org/web/20200229073508/https://www.securityfocus.com/bid/61118"}],"tags":["osv","pip"],"epss":0.0097,"epssPercentile":0.59871,"ingestedAt":"2026-07-08T18:25:52.418Z","slug":"CVE-2013-2255","body":"## Overview\n\nHTTPSConnections in OpenStack Keystone 2013, OpenStack Compute 2013.1, and possibly other OpenStack components, fail to validate server-side SSL certificates.\n\n## Affected packages\n\n- `python-keystoneclient < 0.4.0`\n- `cinder < 7.0.0a0`\n- `neutron < 7.0.0a0`\n- `keystone < 8.0.0a0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `python-keystoneclient 0.4.0`\n- `cinder 7.0.0a0`\n- `neutron 7.0.0a0`\n- `keystone 8.0.0a0`","depth":"sunlit","depthScore":33,"depthScoreParts":{"impact":32.5,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}