{"id":"CVE-2021-4180","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-4180","summary":"An information exposure flaw in openstack-tripleo-heat-templates allows an external user to discover the internal IP or hostname. An attacker could exploit this by checking the www_authenticate_uri…","details":"An information exposure flaw in openstack-tripleo-heat-templates allows an external user to discover the internal IP or hostname. An attacker could exploit this by checking the www_authenticate_uri parameter (which is visible to all end users) in configuration files. This would give sensitive information which may aid in additional system exploitation. This flaw affects openstack-tripleo-heat-templates versions prior to 11.6.1.","published":"2022-03-23T20:15:10.150","modified":"2026-06-17T04:19:10.070","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2035793"},{"type":"FIX","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2035793"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-06-17T04:19:10.070"}}