{"id":"CVE-2025-14243","aliases":["EUVD-2025-209308","GHSA-v9gq-365f-qxxw"],"status":"published","title":"Mirror-registry: openshift mirror registry: user enumeration via authentication error messages","description":"A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated, remote attacker to enumerate valid usernames and email addresses via different error messages during authentication failures and account creation.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00292,"percentile":0.21985,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-209"],"published":"2026-04-08T16:41:55Z","modified":"2026-07-25T10:10:00Z","products":[{"vendor":"red hat","product":"mirror registry for red hat openshift"},{"vendor":"red hat","product":"mirror registry for red hat openshift 2"},{"vendor":"redhat","product":"mirror_registry_for_red_hat_openshift"}],"references":[{"url":"https://access.redhat.com/security/cve/CVE-2025-14243","tags":["vdb-entry","x_refsource_REDHAT","Vendor Advisory"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2419829","tags":["issue-tracking","x_refsource_REDHAT","Issue Tracking","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-14243"},{"url":"https://github.com/advisories/GHSA-v9gq-365f-qxxw"}],"sources":{"cve":[{"id":"CVE-2025-14243","title":"Mirror-registry: openshift mirror registry: user enumeration via authentication error messages","description":"A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated, remote attacker to enumerate valid usernames and email addresses via different error messages during authentication failures and account creation.","status":"published","published":"2026-04-08T16:41:55.597Z","modified":"2026-04-08T21:46:14.175Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T14:32:28.250136Z"}],"euvd":[{"id":"EUVD-2025-209308","description":"A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated, remote attacker to enumerate valid usernames and email addresses via different error messages during authentication failures and account creation.","status":"published","published":"2026-04-08T16:41:55Z","modified":"2026-04-08T21:46:14Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T19:24:31.230458Z"}],"ghsa":[{"id":"GHSA-v9gq-365f-qxxw","title":"A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated,...","description":"A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated, remote attacker to enumerate valid usernames and email addresses via different error messages during authentication failures and account creation.","status":"published","published":"2026-04-08T18:34:06Z","modified":"2026-04-08T18:34:18Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T15:07:16.84454Z"}],"nvd":[{"id":"CVE-2025-14243","description":"A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated, remote attacker to enumerate valid usernames and email addresses via different error messages during authentication failures and account creation.","status":"published","published":"2026-04-08T17:20:25.247Z","modified":"2026-07-25T10:10:00.167Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-209"],"updated_at":"2026-11-02T14:12:01.641503Z"}]}}