CVE-2025-55668NVD

Vulnerability Summary

Session Fixation vulnerability in Apache Tomcat via rewrite valve.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.7, from 10.1.0-M1 through 10.1.41, from 9.0.0.M1 through 9.0.105.
Older, EOL versions may also be affected.

Users are recommended to upgrade to version 11.0.8, 10.1.42 or 9.0.106, which fix the issue.

Severity Level

MEDIUM(6.5)

Published Date

Aug 13, 2025

Last Modified

Aug 18, 2025

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

Data Pending

Root Weakness (CWE)

CWE-384: Unknown/Unlisted Weakness ↗

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 6.5 (MEDIUM)

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

ConfidentialityHigh

IntegrityNone

AvailabilityNone

Affected & Patched Versions

Affected Versions

Apache Tomcat >= 9.0.1 and < 9.0.106
Apache Tomcat >= 10.0.0 and < 10.1.42
Apache Tomcat >= 11.0.0 and < 11.0.8
Apache Tomcat

Patched Versions

Apache Tomcat 9.0.106
Apache Tomcat 10.1.42
Apache Tomcat 11.0.8

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