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Vulnerabilities

Vulnerability · 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…

Published Feb 25, 2016 · catalog updated Oct 14, 2026 · the affected product

Check this week

CVE-2015-5346 is not in CISA KEV. FIRST estimates a 10.57% chance of exploitation in the next 30 days. Check whether you run the affected product.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
10.57%
Remediation
Advisory link
Affected products
cpe apache/tomcat · cpe canonical/ubuntu linux · cpe debian/debian linux · vendor n/a n/a

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apache/tomcat7.0.0
  • cpe apache/tomcat7.0.10
  • cpe apache/tomcat7.0.11
  • cpe apache/tomcat7.0.12
  • cpe apache/tomcat7.0.2
  • cpe apache/tomcat7.0.4
  • cpe apache/tomcat7.0.5
  • cpe apache/tomcat7.0.6
  • cpe canonical/ubuntu linux12.04
  • cpe debian/debian linux7.0
  • vendor n/a n/aversion unspecified

How to fix CVE-2015-5346

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2015-5346 is not in CISA KEV. FIRST estimates a 10.57% chance of exploitation in the next 30 days. Check whether you run the affected product.

Which versions are affected?

Compare what you have installed with canonical/ubuntu linux 12.04; debian/debian linux 7.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 10.57%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 25, 2016 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CIRCL Vulnerability LookupVulnerability recordCVE-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 leverag

    vulnerability.circl.lu
  • CVE.orgVulnerability recordCVE-2015-5346

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2015-5346

    30-day exploitation probability 10.6%

    first.org
  • NIST NVDVulnerability recordCVE-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 leverag

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/135890/Apache-Tomcat-Session-Fixation.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

Freshness

Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.