{"cve":"CVE-2016-4800","nvd":{"published":"2017-04-13T14:59:01.760","modified":"2026-06-17T00:48:14.447","status":"Modified","description":"The path normalization mechanism in PathResource class in Eclipse Jetty 9.3.x before 9.3.9 on Windows allows remote attackers to bypass protected resource restrictions and other security constraints via a URL with certain escaped characters, related to backslashes.","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-284"],"references":["http://dev.eclipse.org/mhonarc/lists/jetty-announce/msg00092.html","http://www.ocert.org/advisories/ocert-2016-001.html","http://www.securityfocus.com/bid/90945","http://www.zerodayinitiative.com/advisories/ZDI-16-362","https://security.netapp.com/advisory/ntap-20190307-0006/"],"products":["eclipse:jetty"],"source":"nvd","synced_at":"2026-10-19T20:42:09.859288039+00:00"},"epss":{"cve":"CVE-2016-4800","score":0.06363,"percentile":0.93651,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-872g-2h8h-362q","url":"https://osv.dev/vulnerability/GHSA-872g-2h8h-362q","summary":"Jetty contains an alias issue that could allow unauthenticated remote code execution due to specially crafted request","modified":"2024-02-16T08:22:06.138962Z","packages":[{"ecosystem":"Maven","name":"org.eclipse.jetty:jetty-server","purl":"pkg:maven/org.eclipse.jetty/jetty-server","ranges":[">=9.3.0 <9.3.9"],"fixed":["9.3.9"]}]}],"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."]}