{"cve":"CVE-2012-3546","nvd":{"published":"2012-12-19T11:55:54.517","modified":"2026-06-16T23:43:26.697","status":"Modified","description":"org/apache/catalina/realm/RealmBase.java in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.30, when FORM authentication is used, allows remote attackers to bypass security-constraint checks by leveraging a previous setUserPrincipal call and then placing /j_security_check at the end of a URI.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://archives.neohapsis.com/archives/bugtraq/2012-12/0044.html","http://lists.opensuse.org/opensuse-updates/2012-12/msg00089.html","http://lists.opensuse.org/opensuse-updates/2012-12/msg00090.html","http://lists.opensuse.org/opensuse-updates/2013-01/msg00037.html","http://marc.info/?l=bugtraq&m=136612293908376&w=2"],"products":["apache:tomcat"],"source":"nvd","synced_at":"2026-10-19T20:27:27.940201468+00:00"},"epss":{"cve":"CVE-2012-3546","score":0.11975,"percentile":0.96125,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-jgm2-m5cg-f66g","url":"https://osv.dev/vulnerability/GHSA-jgm2-m5cg-f66g","summary":"Authentication Bypass in Apache Tomcat","modified":"2023-11-08T03:57:06.972712Z","packages":[{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","purl":"pkg:maven/org.apache.tomcat/tomcat","ranges":[">=6.0.0 <6.0.36"],"fixed":["6.0.36"]},{"ecosystem":"Maven","name":"org.apache.tomcat:tomcat","purl":"pkg:maven/org.apache.tomcat/tomcat","ranges":[">=7.0.0 <7.0.30"],"fixed":["7.0.30"]}]}],"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."]}