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    CVE-2015-5346

    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 attackers to hijack web sessions by leveraging use of a requestedSessionSSL field for an unintended request, related to CoyoteAdapter.java and Request.java.

    Published:Feb 22, 2016
    Last Modified:Apr 12, 2025
    EPS:Feb 25, 2016
    EPSS Score:0.39277
    CVSS Score:8.1

    Affected Products

    Vendor
    Apache
    Product
    Tomcat
    Vendor
    Canonical
    Product
    Ubuntu Linux
    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Jboss Enterprise Web Server

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-73180 (CVSS 6.8) — Insufficient Session Expiration vulnerability in Apache Tomcat meant that if the session ID for an authenticat…
    CVE-2026-68763 (CVSS 7.5) — Uncontrolled Resource Consumption vulnerability in Apache Tomcat via an allocation leak in the HTTP/2 backlog …
    CVE-2026-68569 (CVSS 8.1) — Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPN…
    CVE-2026-68525 (CVSS 9.1) — Incorrect Authorization vulnerability in Apache Tomcat's FORM authentication process allows the bypassing of a…
    CVE-2026-66422 (CVSS 8.1) — Improper Authorization vulnerability in Apache Tomcat cause by security-role-ref definitions being incorrectly…
    CVE-2026-65927 (CVSS 7.5) — Off-by-one Error vulnerability in Apache Tomcat impacting the [N] flag on the rewrite valves causes rewrite pr…
    CVE-2026-65905 (CVSS 9.8) — Authentication Bypass by Capture-replay vulnerability in Apache Tomcat's DIGEST authenticator. If, before wind…
    CVE-2026-65637 (CVSS 9.8) — Improper Input Validation vulnerability in Apache Tomcat due to incomplete fix for CVE-2026-32990. This iss…
    CVE-2026-65183 (CVSS 8.1) — Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability in Apache Tomcat when creating unix domain soc…
    CVE-2026-65182 (CVSS 9.1) — Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint b…

    References

    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00069.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html
    http://packetstormsecurity.com/files/135890/Apache-Tomcat-Session-Fixation.html
    http://rhn.redhat.com/errata/RHSA-2016-1089.html
    http://rhn.redhat.com/errata/RHSA-2016-2046.html
    http://rhn.redhat.com/errata/RHSA-2016-2807.html
    http://rhn.redhat.com/errata/RHSA-2016-2808.html
    http://seclists.org/bugtraq/2016/Feb/143
    http://svn.apache.org/viewvc?view=revision&revision=1713184
    http://svn.apache.org/viewvc?view=revision&revision=1713185
    http://svn.apache.org/viewvc?view=revision&revision=1713187
    http://svn.apache.org/viewvc?view=revision&revision=1723414
    http://svn.apache.org/viewvc?view=revision&revision=1723506
    http://tomcat.apache.org/security-7.html
    http://tomcat.apache.org/security-8.html
    http://tomcat.apache.org/security-9.html
    http://www.debian.org/security/2016/dsa-3530
    http://www.debian.org/security/2016/dsa-3552
    http://www.debian.org/security/2016/dsa-3609
    http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
    http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
    http://www.securityfocus.com/bid/83323
    http://www.securitytracker.com/id/1035069
    http://www.ubuntu.com/usn/USN-3024-1
    https://access.redhat.com/errata/RHSA-2016:1087
    https://access.redhat.com/errata/RHSA-2016:1088
    https://bto.bluecoat.com/security-advisory/sa118
    https://bz.apache.org/bugzilla/show_bug.cgi?id=58809
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150442
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158626
    https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
    https://security.gentoo.org/glsa/201705-09
    https://security.netapp.com/advisory/ntap-20180531-0001/
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00069.html
    http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html
    http://packetstormsecurity.com/files/135890/Apache-Tomcat-Session-Fixation.html
    http://rhn.redhat.com/errata/RHSA-2016-1089.html
    http://rhn.redhat.com/errata/RHSA-2016-2046.html
    http://rhn.redhat.com/errata/RHSA-2016-2807.html
    http://rhn.redhat.com/errata/RHSA-2016-2808.html
    http://seclists.org/bugtraq/2016/Feb/143
    http://svn.apache.org/viewvc?view=revision&revision=1713184
    http://svn.apache.org/viewvc?view=revision&revision=1713185
    http://svn.apache.org/viewvc?view=revision&revision=1713187
    http://svn.apache.org/viewvc?view=revision&revision=1723414
    http://svn.apache.org/viewvc?view=revision&revision=1723506
    http://tomcat.apache.org/security-7.html
    http://tomcat.apache.org/security-8.html
    http://tomcat.apache.org/security-9.html
    http://www.debian.org/security/2016/dsa-3530
    http://www.debian.org/security/2016/dsa-3552
    http://www.debian.org/security/2016/dsa-3609
    http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
    http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html
    http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
    http://www.securityfocus.com/bid/83323
    http://www.securitytracker.com/id/1035069
    http://www.ubuntu.com/usn/USN-3024-1
    https://access.redhat.com/errata/RHSA-2016:1087
    https://access.redhat.com/errata/RHSA-2016:1088
    https://bto.bluecoat.com/security-advisory/sa118
    https://bz.apache.org/bugzilla/show_bug.cgi?id=58809
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150442
    https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158626
    https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
    https://security.gentoo.org/glsa/201705-09
    https://security.netapp.com/advisory/ntap-20180531-0001/

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High