How severe is CVE-2023-45648?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.3 out of 10.

What type of vulnerability is CVE-2023-45648?

This is classified as CWE-20, which is a common weakness in software security.

CVE-2023-45648 - MEDIUM Severity | CVSS 5.3

Vulnerability Description

Improper Input Validation vulnerability in Apache Tomcat.Tomcat from 11.0.0-M1 through 11.0.0-M11, from 10.1.0-M1 through 10.1.13, from 9.0.0-M1 through 9.0.81 and from 8.5.0 through 8.5.93 did not correctly parse HTTP trailer headers. A specially crafted, invalid trailer header could cause Tomcat to treat a single request as multiple requests leading to the possibility of request smuggling when behind a reverse proxy. Users are recommended to upgrade to version 11.0.0-M12 onwards, 10.1.14 onwards, 9.0.81 onwards or 8.5.94 onwards, which fix the issue.

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