CVE-2021-25122 Affecting tomcat package, versions [8.5.0,8.5.63)[9.0.0,9.0.42)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.21% (60th percentile)

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  • Snyk IDSNYK-UNMANAGED-TOMCAT-2382341
  • published26 Jan 2022
  • disclosed1 Mar 2021
  • creditUnknown

Introduced: 1 Mar 2021

CVE-2021-25122  (opens in a new tab)

How to fix?

Upgrade tomcat to version 8.5.63, 9.0.42 or higher.

Overview

When responding to new h2c connection requests, Apache Tomcat versions 10.0.0-M1 to 10.0.0, 9.0.0.M1 to 9.0.41 and 8.5.0 to 8.5.61 could duplicate request headers and a limited amount of request body from one request to another meaning user A and user B could both see the results of user A's request.

CVSS Scores

version 3.1