{"cve":"CVE-2021-4180","nvd":{"published":"2022-03-23T20:15:10.150","modified":"2026-06-17T04:19:10.070","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N","score":4.3},"cwes":["CWE-668","CWE-200"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=2035793","https://bugzilla.redhat.com/show_bug.cgi?id=2035793"],"products":["openstack:tripleo_heat_templates","redhat:openstack"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2021-4180","score":0.0077,"percentile":0.55633,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-hm3x-jwwf-jpr9","url":"https://osv.dev/vulnerability/GHSA-hm3x-jwwf-jpr9","summary":"Exposure of Sensitive Information to an Unauthorized Actor in OpenStack tripleo-heat-templates","modified":"2026-07-06T08:11:33.007972812Z","packages":[{"ecosystem":"PyPI","name":"tripleo-heat-templates","purl":"pkg:pypi/tripleo-heat-templates","ranges":["<11.6.1"],"fixed":["11.6.1"]}]},{"id":"PYSEC-2026-753","url":"https://osv.dev/vulnerability/PYSEC-2026-753","summary":"Exposure of Sensitive Information to an Unauthorized Actor in OpenStack tripleo-heat-templates","modified":"2026-07-06T08:01:02.390391496Z","packages":[{"ecosystem":"PyPI","name":"tripleo-heat-templates","purl":"pkg:pypi/tripleo-heat-templates","ranges":["<11.6.1"],"fixed":["11.6.1"]}]}],"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."]}