CVE-2021-33037: Inconsistent Interpretation of HTTP Requests (HTTP Request Smuggling)

July 12, 2021 (updated November 9, 2023)

Apache Tomcat does not correctly parse the HTTP transfer-encoding request header in some circumstances leading to the possibility to request smuggling when used with a reverse proxy.

References

nvd.nist.gov/vuln/detail/CVE-2021-33037

Detect and mitigate CVE-2021-33037 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 →