How severe is CVE-2023-38199?

This vulnerability has a severity rating of CRITICAL with a CVSS score of 9.8 out of 10.

What type of vulnerability is CVE-2023-38199?

This is classified as CWE-843, which is a common weakness in software security.

CVE-2023-38199 - CRITICAL Severity | CVSS 9.8

Vulnerability Description

coreruleset (aka OWASP ModSecurity Core Rule Set) through 3.3.4 does not detect multiple Content-Type request headers on some platforms. This might allow attackers to bypass a WAF with a crafted payload, aka "Content-Type confusion" between the WAF and the backend application. This occurs when the web application relies on only the last Content-Type header. Other platforms may reject the additional Content-Type header or merge conflicting headers, leading to detection as a malformed header.

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