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  5. CVE-2021-25122

CVE-2021-25122: Information Exposure

March 1, 2021 (updated November 9, 2023)

When responding to new h2c connection requests, Apache Tomcat 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.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-25122

Code Behaviors & Features

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Affected versions

All versions starting from 8.5.0 before 8.5.62, all versions starting from 9.0.0 before 9.0.42, all versions starting from 10.0.0 before 10.0.2

Fixed versions

  • 8.5.62
  • 9.0.42
  • 10.0.2

Solution

Upgrade to versions 8.5.62, 9.0.42, 10.0.2 or above.

Impact 7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Learn more about CVSS

Weakness

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Source file

maven/org.apache.tomcat.embed/tomcat-embed-core/CVE-2021-25122.yml

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