{"id":"CVE-2016-5388","published":"2016-07-19T01:00:00Z","modified":"2026-10-15T15:48:28Z","title":"Apache Tomcat 7.x through 7.0.70 and 8.x through 8.5.4, when the CGI Servlet is enabled, follows RFC 3875 section…","vendor":null,"product":null,"tier":"tail","description":{"text":"Apache Tomcat 7.x through 7.0.70 and 8.x through 8.5.4, when the CGI Servlet is enabled, follows RFC 3875 section 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect an application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an \"httpoxy\" issue. NOTE: the vendor states \"A mitigation is planned for future releases of Tomcat, tracked as CVE-2016-5388\"; in other words, this is not a CVE ID for a vulnerability.","provenance":"source","from":"CVE.org"},"cvss":null,"epss":{"score":0.50896,"percentile":0.98925,"provenance":"source"},"cwes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2016:1635","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149","tags":["x_refsource_CONFIRM"]},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05324759","tags":["x_refsource_CONFIRM"]},{"url":"http://www.kb.cert.org/vuls/id/797896","tags":["third-party-advisory","x_refsource_CERT-VN"]},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html","tags":["x_refsource_CONFIRM"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2045.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2046.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://tomcat.apache.org/tomcat-7.0-doc/changelog.html","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securityfocus.com/bid/91818","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://lists.opensuse.org/opensuse-updates/2016-09/msg00025.html","tags":["vendor-advisory","x_refsource_SUSE"]},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722","tags":["x_refsource_CONFIRM"]},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03770en_us","tags":["x_refsource_CONFIRM"]},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1624.html","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://www.apache.org/security/asf-httpoxy-response.txt","tags":["x_refsource_CONFIRM"]},{"url":"https://httpoxy.org/","tags":["x_refsource_MISC"]},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","tags":["x_refsource_CONFIRM"]},{"url":"http://www.securitytracker.com/id/1036331","tags":["vdb-entry","x_refsource_SECTRACK"]},{"url":"https://access.redhat.com/errata/RHSA-2016:1636","tags":["vendor-advisory","x_refsource_REDHAT"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/08/msg00015.html","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/6d3d34adcf3dfc48e36342aa1f18ce3c20bb8e4c458a97508d5bfed1%40%3Cissues.activemq.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/6b414817c2b0bf351138911c8c922ec5dd577ebc0b9a7f42d705752d%40%3Cissues.activemq.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/rc6b2147532416cc736e68a32678d3947b7053c3085cf43a9874fd102%40%3Cusers.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/r2853582063cfd9e7fbae1e029ae004e6a83482ae9b70a698996353dd%40%3Cusers.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]},{"url":"https://lists.apache.org/thread.html/rf21b368769ae70de4dee840a3228721ae442f1d51ad8742003aefe39%40%3Cusers.tomcat.apache.org%3E","tags":["mailing-list","x_refsource_MLIST"]}],"priority":{"score":19.8,"factors":[{"name":"EPSS percentile","points":19.79}]},"affected":[{"ecosystem":"Maven","package":"org.apache.tomcat:tomcat-catalina","vulnerableRanges":[">=7.0.0, <7.0.72",">=8.0.0, <8.5.5"],"patched":["7.0.72","8.5.5"],"from":["GHSA-v646-rx6w-r3qq"],"provenance":"source"}],"euvd":{"id":"EUVD-2022-5290","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-apache-tomcat-cve-2016-5388","children":[{"from":"CVE-2016-5388","to":"CVE-2025-46701","relation":"related","confidence":"medium","kind":"lineage","evidence":[{"kind":"same-code","provenance":"machine","files":["java/org/apache/catalina/servlets/CGIServlet.java"],"commits":["https://github.com/apache/tomcat/commit/1b91e91194a095ea922f96d1dccddf6fbc446e54","https://github.com/apache/tomcat/commit/880250877b0643956435282afb9c111450cfff4c","https://github.com/apache/tomcat/commit/0f01966eb60015d975525019e12a087f05ebf01a","https://github.com/apache/tomcat/commit/238d2aa54b99f91d1111467e2237d2244c64e558"],"basis":"shared function","functions":["CGIServlet","init"]}]}],"packageHistory":[{"cve":"CVE-2017-12616","published":"2017-09-19","fixed":"7.0.81","kev":false},{"cve":"CVE-2014-0096","published":"2014-05-31","fixed":"8.0.6","kev":false},{"cve":"CVE-2014-0119","published":"2014-05-31","fixed":"8.0.6","kev":false},{"cve":"CVE-2016-5388","published":"2016-07-19","fixed":"8.5.5","kev":false},{"cve":"CVE-2016-8735","published":"2017-04-06","fixed":"9.0.0.M12","kev":true,"link":{"from":"CVE-2016-5388","to":"CVE-2016-8735","relation":"successor","confidence":"low","kind":"sequence","evidence":[{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat:tomcat-catalina","fromFixed":"7.0.72","toFixed":"7.0.73","daysApart":261},{"kind":"version-step","provenance":"source","package":"Maven:org.apache.tomcat:tomcat-catalina","fromFixed":"8.5.5","toFixed":"8.5.7","daysApart":261}]}},{"cve":"CVE-2017-5648","published":"2017-04-17","fixed":"9.0.0.M18","kev":false},{"cve":"CVE-2017-12617","published":"2017-10-04","fixed":"9.0.1","kev":true}],"package":"Maven:org.apache.tomcat:tomcat-catalina"}}