{"cve":"CVE-2016-4436","nvd":{"published":"2016-10-03T15:59:01.913","modified":"2026-06-17T00:47:33.200","status":"Modified","description":"Apache Struts 2 before 2.3.29 and 2.5.x before 2.5.1 allow attackers to have unspecified impact via vectors related to improper action name clean up.","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:H/A:H","score":9.8},"cwes":[],"references":["http://www-01.ibm.com/support/docview.wss?uid=ssg1S1009282","http://www-01.ibm.com/support/docview.wss?uid=swg21987854","http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","http://www.securityfocus.com/bid/91280","https://struts.apache.org/docs/s2-035.html"],"products":["apache:struts"],"source":"nvd","synced_at":"2026-10-19T20:40:10.783210791+00:00"},"epss":{"cve":"CVE-2016-4436","score":0.06603,"percentile":0.93849,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-xm92-v2mq-842q","url":"https://osv.dev/vulnerability/GHSA-xm92-v2mq-842q","summary":"Apache Struts improper action name cleanup","modified":"2024-12-05T05:39:44.560733Z","packages":[{"ecosystem":"Maven","name":"org.apache.struts:struts2-core","purl":"pkg:maven/org.apache.struts/struts2-core","ranges":[">=2.0.0 <2.3.29"],"fixed":["2.3.29"]},{"ecosystem":"Maven","name":"org.apache.struts:struts2-core","purl":"pkg:maven/org.apache.struts/struts2-core","ranges":[">=2.5-BETA1 <2.5.1"],"fixed":["2.5.1"]}]}],"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."]}