When using FORM authentication there was a narrow window where an attacker could perform a session fixation attack. The window was considered too narrow for an exploit to be practical but, erring on the side of caution, this issue has been treated as a security vulnerability.
CVE-2019-17563 - Session Fixation
Severity
7.5
Project
Apache Tomcat & Apache TomEE
Versions affected
Apache Tomcat
Tomcat 6.x
All
Tomcat 8.0.x
All
Tomcat 8.5.x
8.5.0 to 8.5.50
Tomcat 9.x
9.0.0.M1 to 9.0.0.30
Apache TomEE
TomEE 1.7.x
All
TomEE 7.0.x
7.0.0-M1 to 7.0.7
TomEE 7.1.x
7.1.0 to 7.1.2
TomEE 8.0.x
8.0.0-M1 to 8.0.1
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