{"cve":"CVE-2015-1796","nvd":{"published":"2015-07-08T15:59:02.897","modified":"2026-06-17T00:23:01.220","status":"Modified","description":"The PKIX trust engines in Shibboleth Identity Provider before 2.4.4 and OpenSAML Java (OpenSAML-J) before 2.6.5 trust candidate X.509 credentials when no trusted names are available for the entityID, which allows remote attackers to impersonate an entity via a certificate issued by a shibmd:KeyAuthority trust anchor.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-254"],"references":["http://rhn.redhat.com/errata/RHSA-2015-1176.html","http://rhn.redhat.com/errata/RHSA-2015-1177.html","http://www.securityfocus.com/bid/75370","https://shibboleth.net/community/advisories/secadv_20150225.txt","http://rhn.redhat.com/errata/RHSA-2015-1176.html"],"products":["shibboleth:identity_provider","shibboleth:opensaml_java"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-1796","score":0.01247,"percentile":0.69344,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-78fq-w796-q537","url":"https://osv.dev/vulnerability/GHSA-78fq-w796-q537","summary":"Improper Certificate Validation in Shibboleth Identity Provider and OpenSAML","modified":"2024-12-07T05:40:09.690327Z","packages":[{"ecosystem":"Maven","name":"org.opensaml:opensaml","purl":"pkg:maven/org.opensaml/opensaml","ranges":["<2.6.5"],"fixed":["2.6.5"]},{"ecosystem":"Maven","name":"edu.internet2.middleware:shibboleth-identityprovider","purl":"pkg:maven/edu.internet2.middleware/shibboleth-identityprovider","ranges":["<2.4.4"],"fixed":["2.4.4"]}]}],"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."]}