{"id":"CVE-2016-5388","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 4.1.18 and therefore does not protect applications from the presence of untrusted client data in the HTTP_PROXY environment…","summary":"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…","severity":"high","cvss":8.1,"cvssVector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-284"],"vendor":"hp","product":"system_management_homepage","affected":["enterprise_linux_desktop = 7.0","enterprise_linux_hpc_node = 7.0","enterprise_linux_hpc_node_eus = 7.2","enterprise_linux_server = 7.0","enterprise_linux_server_aus = 7.2","enterprise_linux_server_eus = 7.2","enterprise_linux_server_tus = 7.2","enterprise_linux_workstation = 7.0","system_management_homepage <= 7.5.5.0","enterprise_linux_desktop = 6.0","enterprise_linux_hpc_node = 6.0","enterprise_linux_server = 6.0","enterprise_linux_workstation = 6.0","linux = 6","linux = 7","tomcat >= 6.0, <= 6.0.45","tomcat >= 7.0, <= 7.0.70","tomcat >= 8.0, <= 8.5.4"],"published":"2016-07-19","updated":"2026-10-15","sourceUpdated":"2026-10-15T16:17:25.597","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2016-5388","references":[{"url":"http://lists.opensuse.org/opensuse-updates/2016-09/msg00025.html","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1624.html","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2045.html","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2046.html","label":"secalert@redhat.com"},{"url":"http://www.kb.cert.org/vuls/id/797896","label":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","label":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html","label":"secalert@redhat.com"},{"url":"http://www.securityfocus.com/bid/91818","label":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1036331","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2016:1635","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2016:1636","label":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03770en_us","label":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149","label":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05324759","label":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722","label":"secalert@redhat.com"},{"url":"https://httpoxy.org/","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/6b414817c2b0bf351138911c8c922ec5dd577ebc0b9a7f42d705752d%40%3Cissues.activemq.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/6d3d34adcf3dfc48e36342aa1f18ce3c20bb8e4c458a97508d5bfed1%40%3Cissues.activemq.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/r2853582063cfd9e7fbae1e029ae004e6a83482ae9b70a698996353dd%40%3Cusers.tomcat.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/rc6b2147532416cc736e68a32678d3947b7053c3085cf43a9874fd102%40%3Cusers.tomcat.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/rf21b368769ae70de4dee840a3228721ae442f1d51ad8742003aefe39%40%3Cusers.tomcat.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2019/08/msg00015.html","label":"secalert@redhat.com"},{"url":"https://tomcat.apache.org/tomcat-7.0-doc/changelog.html","label":"secalert@redhat.com"},{"url":"https://www.apache.org/security/asf-httpoxy-response.txt","label":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-updates/2016-09/msg00025.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1624.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2045.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2046.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.kb.cert.org/vuls/id/797896","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/91818","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1036331","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2016:1635","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2016:1636","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03770en_us","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05324759","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://httpoxy.org/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/053d9ce4d579b02203db18545fee5e33f35f2932885459b74d1e4272%40%3Cissues.activemq.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/6b414817c2b0bf351138911c8c922ec5dd577ebc0b9a7f42d705752d%40%3Cissues.activemq.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/6d3d34adcf3dfc48e36342aa1f18ce3c20bb8e4c458a97508d5bfed1%40%3Cissues.activemq.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r2853582063cfd9e7fbae1e029ae004e6a83482ae9b70a698996353dd%40%3Cusers.tomcat.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rc6b2147532416cc736e68a32678d3947b7053c3085cf43a9874fd102%40%3Cusers.tomcat.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/rf21b368769ae70de4dee840a3228721ae442f1d51ad8742003aefe39%40%3Cusers.tomcat.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2019/08/msg00015.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tomcat.apache.org/tomcat-7.0-doc/changelog.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.apache.org/security/asf-httpoxy-response.txt","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.50896,"epssPercentile":0.98913,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-15T15:47:59.700031Z"},"ingestedAt":"2026-10-15T16:13:11.004Z","slug":"CVE-2016-5388","body":"## Overview\n\nApache 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.\n\n## Affected\n\n- `enterprise_linux_desktop = 7.0`\n- `enterprise_linux_hpc_node = 7.0`\n- `enterprise_linux_hpc_node_eus = 7.2`\n- `enterprise_linux_server = 7.0`\n- `enterprise_linux_server_aus = 7.2`\n- `enterprise_linux_server_eus = 7.2`\n- `enterprise_linux_server_tus = 7.2`\n- `enterprise_linux_workstation = 7.0`\n- `system_management_homepage <= 7.5.5.0`\n- `enterprise_linux_desktop = 6.0`\n- `enterprise_linux_hpc_node = 6.0`\n- `enterprise_linux_server = 6.0`\n- `enterprise_linux_workstation = 6.0`\n- `linux = 6`\n- `linux = 7`\n- `tomcat >= 6.0, <= 6.0.45`\n- `tomcat >= 7.0, <= 7.0.70`\n- `tomcat >= 8.0, <= 8.5.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":55,"depthScoreParts":{"impact":44.6,"likelihood":10.2,"exploitation":0,"ransomware":0},"changes":[{"seq":222555,"id":"CVE-2016-5388","ts":1792084742972,"field":"cvss","old":null,"new":"8.1"},{"seq":222554,"id":"CVE-2016-5388","ts":1792084742972,"field":"severity","old":"none","new":"high"}]}