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CVE-2015-5346

26
FAUCET Score

CVE-2015-5346 describes a session fixation vulnerability in Apache Tomcat versions 7.x, 8.x, and 9.x, specifically when multiple versions of the same web application are deployed with differing session settings. This flaw could enable remote attackers to hijack web sessions. Rated with a CVSS score of 8.1 (HIGH), the vulnerability has a network attack vector and high impact on confidentiality, integrity, and availability, though it requires high attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.0.0CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:7.0.0:beta:*:*:*:*:*:*
7.0.2CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:7.0.2:beta:*:*:*:*:*:*
7.0.4CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:7.0.4:beta:*:*:*:*:*:*
7.0.5CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:7.0.5:beta:*:*:*:*:*:*
7.0.6CPE matchmatch criteria
cpe:2.3:a:apache:tomcat:7.0.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.1HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
10.57%
Probability of exploitation in next 30 days
EPSS Percentile
95.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1057 is in the 76th percentile among its peer group of 8,920 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (26)

mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 8.0.31
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 7.0.66
mavenpatch availablevia ghsa
Product: org.apache.tomcat:tomcatFixed in: 9.0.0.M2
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 7Fixed in: tomcat7-0:7.0.54-23_patch_05.ep6.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 2.1Fixed in: tomcat7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3.0Fixed in: tomcat7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3.0Fixed in: tomcat8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: httpd24-0:2.4.6-61.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: mod_security-jws3-0:2.8.0-7.GA.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat7-0:7.0.59-50_patch_01.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 6Fixed in: tomcat8-0:8.0.18-61_patch_01.ep7.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: mod_security-jws3-0:2.8.0-7.GA.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat7-0:7.0.59-50_patch_01.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: tomcat8-0:8.0.18-61_patch_01.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Web Server 3 for RHEL 7Fixed in: httpd24-0:2.4.6-61.ep7.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: tomcat-0:7.0.54-8.el7_2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat JBoss Enterprise Web Server 2 for RHEL 6Fixed in: tomcat7-0:7.0.54-23_patch_05.ep6.el6
View patch
redhatno patchvia redhat_api
Product: Red Hat JBoss Data Grid 6Fixed in: jbossweb
redhatno patchvia redhat_api
Product: Red Hat JBoss Operations Network 3Fixed in: jbossweb
redhatno patchvia redhat_api
Product: Red Hat JBoss Portal 6Fixed in: jbossweb
redhatno patchvia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 6Fixed in: jbossweb
redhatend of lifevia redhat_api
Product: Red Hat JBoss BRMS 5Fixed in: jbossweb
redhatend of lifevia redhat_api
Product: Red Hat JBoss SOA Platform 5Fixed in: jbossweb
redhatend of lifevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 4Fixed in: jbossweb
redhatend of lifevia redhat_api
Product: Red Hat JBoss Enterprise Application Platform 5Fixed in: jbossweb
redhatend of lifevia redhat_api
Product: Red Hat JBoss Fuse Service Works 6Fixed in: jbossweb

Vendor Advisories (2)

mavenGHSA-jrcp-c39h-r29xhigh

Improper Neutralization of Input During Web Page Generation in Apache Tomcat

May 14, 2022
redhatCVE-2015-5346Low

tomcat: Session fixation

Feb 22, 2016

References

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