CVE-2021-47757

CVE-2021-47757 is a high-severity authenticated remote code execution vulnerability affecting Chikitsa Patient Management System version 2.0.2. An authenticated attacker can exploit this by uploading a specially crafted backup zip file containing a malicious PHP shell, enabling arbitrary system command execution. The vulnerability has a CVSS score of 8.8 (High) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this CVE.