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CVE-2021-24122

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Date: January 14, 2021

When serving resources from a network location using the NTFS file system, Apache Tomcat versions 10.0.0-M1 to 10.0.0-M9, 9.0.0.M1 to 9.0.39, 8.5.0 to 8.5.59 and 7.0.0 to 7.0.106 were susceptible to JSP source code disclosure in some configurations. The root cause was the unexpected behaviour of the JRE API File.getCanonicalPath() which in turn was caused by the inconsistent behaviour of the Windows API (FindFirstFileW) in some circumstances.

Language: Java

Severity Score

Related Resources (30)

Severity Score

Weakness Type (CWE)

Information Leak / Disclosure

CWE-200

Use of Incorrectly-Resolved Name or Reference

CWE-706

Top Fix

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Upgrade Version

Upgrade to version org.apache.tomcat.embed:tomcat-embed-core:7.0.107,8.5.60,9.0.40,10.0.0-M10;org.apache.tomcat:tomcat-catalina:7.0.107,8.5.60,9.0.40,10.0.0-M10

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CVSS v3.1

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

CVSS v2

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

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