CVE-2021-20110

CVE-2021-20110 is a critical vulnerability affecting ManageEngine Asset Explorer Agent 1.0.34, stemming from a lack of HTTPS certificate validation. An attacker can exploit an integer overflow in the agent's HTTP handler, leading to a heap overflow and ultimately remote code execution as NT AUTHORITY/SYSTEM. This vulnerability carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion with 10 mentions, indicating awareness among security researchers.