{"cve":"CVE-2017-5656","nvd":{"published":"2017-04-18T16:59:00.197","modified":"2026-06-17T01:20:58.597","status":"Modified","description":"Apache CXF's STSClient before 3.1.11 and 3.0.13 uses a flawed way of caching tokens that are associated with delegation tokens, which means that an attacker could craft a token which would return an identifer corresponding to a cached token for another user.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-384"],"references":["http://cxf.apache.org/security-advisories.data/CVE-2017-5656.txt.asc?version=1&modificationDate=1492515113282&api=v2","http://www.securityfocus.com/bid/97971","http://www.securitytracker.com/id/1038282","https://access.redhat.com/errata/RHSA-2017:1832","https://access.redhat.com/errata/RHSA-2018:1694"],"products":["apache:cxf"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2017-5656","score":0.06827,"percentile":0.94025,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-v936-x3j5-c76j","url":"https://osv.dev/vulnerability/GHSA-v936-x3j5-c76j","summary":"Session Fixation in Apache CXF","modified":"2024-02-22T05:34:09.525375Z","packages":[{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","purl":"pkg:maven/org.apache.cxf/cxf-core","ranges":[">=3.1.0 <3.1.11"],"fixed":["3.1.11"]},{"ecosystem":"Maven","name":"org.apache.cxf:cxf-core","purl":"pkg:maven/org.apache.cxf/cxf-core","ranges":["<3.0.13"],"fixed":["3.0.13"]}]}],"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."]}