CVE-2021-40719

CVE-2021-40719 is a critical Deserialization of Untrusted Data vulnerability affecting Adobe Connect versions 11.2.3 and earlier. This flaw allows an unauthenticated attacker to achieve arbitrary method invocation by manipulating AMF messages, leading to remote code execution on the server. With a CVSS score of 9.8, it represents a severe risk due to its network-based attack vector and complete compromise potential. While no public exploit code or active exploitation has been observed, and community discussion is minimal, its high EPSS and FAUCET risk scores indicate a significant theoretical threat.