CVE-2021-34761

A vulnerability in Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to overwrite or append arbitrary data to system files using root-level privileges. The attacker must have administrative credentials on the device. This vulnerability is due to incomplete validation of user input for a specific CLI command. An attacker could exploit this vulnerability by authenticating to the device with administrative privileges and issuing a CLI command with crafted user parameters. A successful exploit could allow the attacker to overwrite or append arbitrary data to system files using root-level privileges.

• cisco firepower management center virtual appliance 6.2.3 • cisco firepower management center virtual appliance 6.4.0 • cisco firepower management center virtual appliance 6.6.1 • cisco firepower management center virtual appliance 6.7.0 • cisco firepower management center virtual appliance 7.0.0 • cisco firepower management center virtual appliance 7.1.0 • cisco secure firewall threat defense (>= 6.4.0 < 6.4.0.13) • cisco secure firewall threat defense (>= 6.6.0 < 6.6.5) • cisco secure firewall threat defense (>= 6.7.0 < 6.7.0.3) • cisco secure firewall threat defense (>= 7.0.0 < 7.0.1) • cisco sourcefire defense center 6.2.3 • cisco sourcefire defense center 6.4.0 • cisco sourcefire defense center 6.6.1 • cisco sourcefire defense center 6.7.0 • cisco sourcefire defense center 7.0.0 • cisco sourcefire defense center 7.1.0