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CVE-2019-17563

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Date: December 23, 2019

When using FORM authentication with Apache Tomcat 9.0.0.M1 to 9.0.29, 8.5.0 to 8.5.49 and 7.0.0 to 7.0.98 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.

Language: Java

Severity Score

Severity Score

Weakness Type (CWE)

Session Fixation

CWE-384

Top Fix

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Upgrade Version

Upgrade to version org.apache.tomcat.embed:tomcat-embed-core:7.0.99,8.5.50,9.0.30;org.apache.tomcat:tomcat-catalina:7.0.99,8.5.50,9.0.30

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privilegs Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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