{"cve":"CVE-2016-3087","nvd":{"published":"2016-06-07T18:59:02.713","modified":"2026-06-17T00:44:56.647","status":"Modified","description":"Apache Struts 2.3.19 to 2.3.20.2, 2.3.21 to 2.3.24.1, and 2.3.25 to 2.3.28, when Dynamic Method Invocation is enabled, allow remote attackers to execute arbitrary code via vectors related to an ! (exclamation mark) operator to the REST Plugin.","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":["CWE-20"],"references":["http://struts.apache.org/docs/s2-033.html","http://www-01.ibm.com/support/docview.wss?uid=swg21987854","http://www.securityfocus.com/bid/90960","http://www.securitytracker.com/id/1036017","https://www.exploit-db.com/exploits/39919/"],"products":["apache:struts"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-3087","score":0.81873,"percentile":0.99648,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-mmj6-cjj4-hpr5","url":"https://osv.dev/vulnerability/GHSA-mmj6-cjj4-hpr5","summary":"Apache Struts vulnerable to arbitrary remote code execution due to improper input validation","modified":"2024-02-22T05:25:07.805657Z","packages":[{"ecosystem":"Maven","name":"org.apache.struts:struts2-core","purl":"pkg:maven/org.apache.struts/struts2-core","ranges":[">=2.3.19 <2.3.20.3"],"fixed":["2.3.20.3"]},{"ecosystem":"Maven","name":"org.apache.struts:struts2-core","purl":"pkg:maven/org.apache.struts/struts2-core","ranges":[">=2.3.21 <2.3.24.3"],"fixed":["2.3.24.3"]},{"ecosystem":"Maven","name":"org.apache.struts:struts2-core","purl":"pkg:maven/org.apache.struts/struts2-core","ranges":[">=2.3.25 <2.3.28.1"],"fixed":["2.3.28.1"]}]}],"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."]}