CVE-2022-31604

CVE-2022-31604 is a critical deserialization vulnerability affecting NVIDIA NVFLARE versions prior to 2.1.2, specifically within its PKI implementation module. An unprivileged network attacker can exploit this by sending untrusted data via pickle, leading to Remote Code Execution, Denial of Service, and compromise of confidentiality and integrity. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required. While there is no evidence of active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.