CVE-2021-34762

CVE-2021-34762 is a directory traversal vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software, affecting Cisco Firepower Management Center Virtual Appliance, Firepower Threat Defense, and Sourcefire Defense Center. An authenticated, remote attacker can exploit insufficient input validation to read or write arbitrary files on the device. This vulnerability carries a CVSS score of 8.1 (HIGH), indicating a network-based attack with low complexity, requiring valid user credentials, and leading to high confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.