Advisory Database
  • Advisories
  • Dependency Scanning
  1. maven
  2. ›
  3. org.apache.tomcat/tomcat-coyote
  4. ›
  5. CVE-2020-13935

CVE-2020-13935: Loop with Unreachable Exit Condition (Infinite Loop)

July 14, 2020 (updated October 20, 2021)

The payload length in a WebSocket frame was not correctly validated in Apache Tomcat to M1 to to to Invalid payload lengths could trigger an infinite loop. Multiple requests with invalid payload lengths could lead to a denial of service.

References

  • nvd.nist.gov/vuln/detail/CVE-2020-13935

Code Behaviors & Features

Detect and mitigate CVE-2020-13935 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions starting from 7.0.27 up to 7.0.104, all versions starting from 8.5.0 up to 8.5.56, all versions starting from 9.0.0 up to 9.0.36, version 10.0.0

Fixed versions

  • 7.0.105
  • 8.5.57
  • 9.0.37
  • 10.0.2

Solution

Upgrade to versions 7.0.105, 8.5.57, 9.0.37, 10.0.2 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Source file

maven/org.apache.tomcat/tomcat-coyote/CVE-2020-13935.yml

Spotted a mistake? Edit the file on GitLab.

  • Site Repo
  • About GitLab
  • Terms
  • Privacy Statement
  • Contact

Page generated Wed, 14 May 2025 12:14:59 +0000.