{"id":"CVE-2015-5346","title":"Session fixation vulnerability in Apache Tomcat 7.x before 7.0.66, 8.x before 8.0.30, and 9.x before 9.0.0.M2, when different session settings are used for deployments of multiple versions of the same web application, might allow remote …","summary":"Session fixation vulnerability in Apache Tomcat 7.x before 7.0.66, 8.x before 8.0.30, and 9.x before 9.0.0.M2, when different session settings are used for deployments of multiple versions of the same web application, might allow remote …","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","vendor":"apache","product":"tomcat","affected":["tomcat = 7.0.0","tomcat = 7.0.2","tomcat = 7.0.4","tomcat = 7.0.5","tomcat = 7.0.6","tomcat = 7.0.10","tomcat = 7.0.11","tomcat = 7.0.12","tomcat = 7.0.14","tomcat = 7.0.16","tomcat = 7.0.19","tomcat = 7.0.20","tomcat = 7.0.21","tomcat = 7.0.22","tomcat = 7.0.23","tomcat = 7.0.25","tomcat = 7.0.26","tomcat = 7.0.27","tomcat = 7.0.28","tomcat = 7.0.29","tomcat = 7.0.30","tomcat = 7.0.32","tomcat = 7.0.33","tomcat = 7.0.34","tomcat = 7.0.35","tomcat = 7.0.37","tomcat = 7.0.39","tomcat = 7.0.40","tomcat = 7.0.41","tomcat = 7.0.42","tomcat = 7.0.47","tomcat = 7.0.50","tomcat = 7.0.52","tomcat = 7.0.53","tomcat = 7.0.54","tomcat = 7.0.55","tomcat = 7.0.56","tomcat = 7.0.57","tomcat = 7.0.59","tomcat = 7.0.61","tomcat = 7.0.62","tomcat = 7.0.63","tomcat = 7.0.64","tomcat = 7.0.65","tomcat = 8.0.0","tomcat = 8.0.1","tomcat = 8.0.3","tomcat = 8.0.11","tomcat = 8.0.12","tomcat = 8.0.14","tomcat = 8.0.15","tomcat = 8.0.17","tomcat = 8.0.18","tomcat = 8.0.20","tomcat = 8.0.21","tomcat = 8.0.22","tomcat = 8.0.23","tomcat = 8.0.24","tomcat = 8.0.26","tomcat = 8.0.27","tomcat = 8.0.28","tomcat = 8.0.29","tomcat = 9.0.0","ubuntu_linux = 12.04","ubuntu_linux = 14.04","ubuntu_linux = 15.10","ubuntu_linux = 16.04","debian_linux = 7.0","debian_linux = 8.0"],"published":"2016-02-25","updated":"2026-10-14","sourceUpdated":"2026-10-14T22:17:13.207","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2015-5346","references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html","label":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00069.html","label":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html","label":"secalert@redhat.com"},{"url":"http://packetstormsecurity.com/files/135890/Apache-Tomcat-Session-Fixation.html","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1089.html","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2046.html","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2807.html","label":"secalert@redhat.com"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2808.html","label":"secalert@redhat.com"},{"url":"http://seclists.org/bugtraq/2016/Feb/143","label":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1713184","label":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1713185","label":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1713187","label":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1723414","label":"secalert@redhat.com"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1723506","label":"secalert@redhat.com"},{"url":"http://tomcat.apache.org/security-7.html","label":"secalert@redhat.com"},{"url":"http://tomcat.apache.org/security-8.html","label":"secalert@redhat.com"},{"url":"http://tomcat.apache.org/security-9.html","label":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3530","label":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3552","label":"secalert@redhat.com"},{"url":"http://www.debian.org/security/2016/dsa-3609","label":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html","label":"secalert@redhat.com"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.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/83323","label":"secalert@redhat.com"},{"url":"http://www.securitytracker.com/id/1035069","label":"secalert@redhat.com"},{"url":"http://www.ubuntu.com/usn/USN-3024-1","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2016:1087","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2016:1088","label":"secalert@redhat.com"},{"url":"https://bto.bluecoat.com/security-advisory/sa118","label":"secalert@redhat.com"},{"url":"https://bz.apache.org/bugzilla/show_bug.cgi?id=58809","label":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150442","label":"secalert@redhat.com"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158626","label":"secalert@redhat.com"},{"url":"https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E","label":"secalert@redhat.com"},{"url":"https://security.gentoo.org/glsa/201705-09","label":"secalert@redhat.com"},{"url":"https://security.netapp.com/advisory/ntap-20180531-0001/","label":"secalert@redhat.com"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00069.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/135890/Apache-Tomcat-Session-Fixation.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-1089.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://rhn.redhat.com/errata/RHSA-2016-2807.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://rhn.redhat.com/errata/RHSA-2016-2808.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/bugtraq/2016/Feb/143","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1713184","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1713185","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1713187","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1723414","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://svn.apache.org/viewvc?view=revision&revision=1723506","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://tomcat.apache.org/security-7.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://tomcat.apache.org/security-8.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://tomcat.apache.org/security-9.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3530","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3552","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.debian.org/security/2016/dsa-3609","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.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/83323","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1035069","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.ubuntu.com/usn/USN-3024-1","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2016:1087","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://access.redhat.com/errata/RHSA-2016:1088","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bto.bluecoat.com/security-advisory/sa118","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://bz.apache.org/bugzilla/show_bug.cgi?id=58809","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150442","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158626","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201705-09","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.netapp.com/advisory/ntap-20180531-0001/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.10573,"epssPercentile":0.95722,"ingestedAt":"2026-10-14T23:00:01.998Z","slug":"CVE-2015-5346","body":"## Overview\n\nSession fixation vulnerability in Apache Tomcat 7.x before 7.0.66, 8.x before 8.0.30, and 9.x before 9.0.0.M2, when different session settings are used for deployments of multiple versions of the same web application, might allow remote attackers to hijack web sessions by leveraging use of a requestedSessionSSL field for an unintended request, related to CoyoteAdapter.java and Request.java.\n\n## Affected\n\n- `tomcat = 7.0.0`\n- `tomcat = 7.0.2`\n- `tomcat = 7.0.4`\n- `tomcat = 7.0.5`\n- `tomcat = 7.0.6`\n- `tomcat = 7.0.10`\n- `tomcat = 7.0.11`\n- `tomcat = 7.0.12`\n- `tomcat = 7.0.14`\n- `tomcat = 7.0.16`\n- `tomcat = 7.0.19`\n- `tomcat = 7.0.20`\n- `tomcat = 7.0.21`\n- `tomcat = 7.0.22`\n- `tomcat = 7.0.23`\n- `tomcat = 7.0.25`\n- `tomcat = 7.0.26`\n- `tomcat = 7.0.27`\n- `tomcat = 7.0.28`\n- `tomcat = 7.0.29`\n- `tomcat = 7.0.30`\n- `tomcat = 7.0.32`\n- `tomcat = 7.0.33`\n- `tomcat = 7.0.34`\n- `tomcat = 7.0.35`\n- `tomcat = 7.0.37`\n- `tomcat = 7.0.39`\n- `tomcat = 7.0.40`\n- `tomcat = 7.0.41`\n- `tomcat = 7.0.42`\n- `tomcat = 7.0.47`\n- `tomcat = 7.0.50`\n- `tomcat = 7.0.52`\n- `tomcat = 7.0.53`\n- `tomcat = 7.0.54`\n- `tomcat = 7.0.55`\n- `tomcat = 7.0.56`\n- `tomcat = 7.0.57`\n- `tomcat = 7.0.59`\n- `tomcat = 7.0.61`\n- `tomcat = 7.0.62`\n- `tomcat = 7.0.63`\n- `tomcat = 7.0.64`\n- `tomcat = 7.0.65`\n- `tomcat = 8.0.0`\n- `tomcat = 8.0.1`\n- `tomcat = 8.0.3`\n- `tomcat = 8.0.11`\n- `tomcat = 8.0.12`\n- `tomcat = 8.0.14`\n- `tomcat = 8.0.15`\n- `tomcat = 8.0.17`\n- `tomcat = 8.0.18`\n- `tomcat = 8.0.20`\n- `tomcat = 8.0.21`\n- `tomcat = 8.0.22`\n- `tomcat = 8.0.23`\n- `tomcat = 8.0.24`\n- `tomcat = 8.0.26`\n- `tomcat = 8.0.27`\n- `tomcat = 8.0.28`\n- `tomcat = 8.0.29`\n- `tomcat = 9.0.0`\n- `ubuntu_linux = 12.04`\n- `ubuntu_linux = 14.04`\n- `ubuntu_linux = 15.10`\n- `ubuntu_linux = 16.04`\n- `debian_linux = 7.0`\n- `debian_linux = 8.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":47,"depthScoreParts":{"impact":44.6,"likelihood":2.1,"exploitation":0,"ransomware":0},"changes":[]}