CyberRota Analysis
AI-GeneratedA vulnerability exists in the HTTP/1 protocol where an absolute-form Host mismatch can be translated to HTTP/2's :authority, potentially allowing an attacker to manipulate the request-target authority. This could lead to unauthorized access or data leakage, making it critical for organizations using HTTP/2 to prioritize patching or mitigating this issue. Security teams should focus on this vulnerability to safeguard their applications and prevent potential exploitation.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
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Original NVD Description
A flaw was found in Netty. A remote unauthenticated attacker can exploit a vulnerability in Netty's HTTP/1 to HTTP/2 conversion process. When an HTTP/1 request includes both an absolute-form request-target and a conflicting Host header, Netty incorrectly prioritizes the Host header for the HTTP/2 :authority field, discarding the original request-target authority. This inconsistency can allow an attacker to bypass security controls in Netty-based proxies or gateways, potentially leading to unauthorized access, cache poisoning, or misrouting of requests.