OWASP ModSecurity CRS <=3.3.4: Content-Type header confusion WAF bypass
CVE-2023-38199 Published on July 13, 2023
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.
Products Associated with CVE-2023-38199
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Exploit Probability
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