Access Restriction Bypass Affecting org.apache.tomcat:tomcat package, versions [8.5.0,8.5.93) [9.0.0-M1,9.0.80) [10.1.0-M1,10.1.13) [11.0.0-M1,11.0.0-M11)


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    Exploit Maturity
    Proof of concept
    EPSS
    0.73% (82nd percentile)

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  • Snyk ID SNYK-JAVA-ORGAPACHETOMCAT-5862027
  • published 26 Aug 2023
  • disclosed 25 Aug 2023
  • credit Yiheng Cao

How to fix?

Upgrade org.apache.tomcat:tomcat to version 8.5.93, 9.0.80, 10.1.13, 11.0.0-M11 or higher.

Overview

org.apache.tomcat:tomcat is an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies.

Affected versions of this package are vulnerable to Access Restriction Bypass. If the ROOT (default) web application is configured to use FORM authentication then it is possible that a specially crafted URL could be used to trigger a redirect to an URL of the attackers choice.

The vulnerability is limited to the ROOT (default) web application.

CVSS Scores

version 3.1
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Snyk

Recommended
6.5 medium
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    None
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NVD

6.1 medium
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SUSE

6.5 medium
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Red Hat

6.1 medium