{"id":"CVE-2016-4800","aliases":["EUVD-2018-0545","GHSA-872g-2h8h-362q"],"status":"published","title":"Jetty contains an alias issue that could allow unauthenticated remote code execution due to specially crafted request","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.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06538,"percentile":0.93842,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-284"],"published":"2017-04-13T14:00:00Z","modified":"2026-10-24T10:30:15Z","fixes":[{"ecosystem":"Maven","package":"org.eclipse.jetty:jetty-server","fixed_in":["9.3.9"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.eclipse.jetty:jetty-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.3.0"},{"fixed":"9.3.9"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.eclipse.jetty:jetty-server","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"9.3.0"},{"fixed":"9.3.9"}]}],"versions":["9.3.0.v20150612","9.3.1.v20150714","9.3.2.v20150730","9.3.3.v20150827","9.3.4.RC0","9.3.4.RC1","9.3.4.v20151007","9.3.5.v20151012","9.3.6.v20151106","9.3.7.RC0","9.3.7.RC1","9.3.7.v20160115","9.3.8.RC0","9.3.8.v20160314","9.3.9.M0","9.3.9.M1"]}],"products":[{"vendor":"eclipse","product":"jetty"}],"references":[{"url":"http://dev.eclipse.org/mhonarc/lists/jetty-announce/msg00092.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","Vendor Advisory","fix","web"]},{"url":"http://www.securityfocus.com/bid/90945","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://www.oracle.com/security-alerts/cpuoct2020.html","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"http://www.ocert.org/advisories/ocert-2016-001.html","tags":["x_refsource_MISC","x_transferred","Mitigation","Patch","Third Party Advisory","fix","web"]},{"url":"https://security.netapp.com/advisory/ntap-20190307-0006/","tags":["x_refsource_CONFIRM","x_transferred","advisory"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-362","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry","advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-4800","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-872g-2h8h-362q","tags":["advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20190307-0006","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2016-4800","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.","status":"published","published":"2017-04-13T14:00:00Z","modified":"2024-08-06T00:39:26.308Z","updated_at":"2026-11-02T14:33:35.149563Z"}],"euvd":[{"id":"EUVD-2018-0545","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.","status":"published","published":"2017-04-13T14:00:00Z","modified":"2024-08-06T00:39:26Z","updated_at":"2026-11-03T02:22:44.916959Z"}],"ghsa":[{"id":"GHSA-872g-2h8h-362q","title":"Jetty contains an alias issue that could allow unauthenticated remote code execution due to specially crafted request","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.","status":"published","published":"2018-10-19T16:16:16Z","modified":"2023-01-08T05:02:44Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:36:01.39976Z"}],"nvd":[{"id":"CVE-2016-4800","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.","status":"published","published":"2017-04-13T14:59:01.76Z","modified":"2026-06-17T00:48:14.447Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:37.619685Z"}],"osv":[{"id":"CVE-2016-4800","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.","status":"published","published":"2017-04-13T14:59:01.76Z","modified":"2026-10-24T10:30:15.603630069Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:02.454775Z"},{"id":"GHSA-872g-2h8h-362q","title":"Jetty contains an alias issue that could allow unauthenticated remote code execution due to specially crafted request","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.","status":"published","published":"2018-10-19T16:16:16Z","modified":"2024-02-16T08:22:06.138962Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}