Vulnerability Database

312,922

Total vulnerabilities in the database

CVE-2021-34756

Multiple vulnerabilities in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.

  • Published: Oct 27, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-34756
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 6.7
  • AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

  • Severity: High
  • Score: 7.2
  • AV:L/AC:L/Au:N/C:C/I:C/A:C

CWEs:

OWASP TOP 10:

Software From Fixed in
cisco / firepower_management_center_virtual_appliance 6.1.0 6.1.0.x
cisco / firepower_management_center_virtual_appliance 6.2.0 6.2.0.x
cisco / firepower_management_center_virtual_appliance 6.2.3 6.2.3.x
cisco / sourcefire_defense_center 6.4.0 6.4.0.x
cisco / sourcefire_defense_center 6.5.0 6.5.0.x
cisco / sourcefire_defense_center 6.6.0 6.6.0.x
cisco / firepower_threat_defense 7.0.0 7.0.1
cisco / firepower_threat_defense 6.7.0 6.7.0.3
cisco / firepower_threat_defense 6.4.0 6.4.0.13
cisco / firepower_management_center_virtual_appliance 6.3.0 6.3.0.x
cisco / sourcefire_defense_center 6.1.0 6.1.0.x
cisco / sourcefire_defense_center 6.2.0 6.2.0.x
cisco / sourcefire_defense_center 6.2.3 6.2.3.x
cisco / sourcefire_defense_center 6.3.0 6.3.0.x
cisco / sourcefire_defense_center 7.1.0 7.1.0.x
cisco / firepower_management_center_virtual_appliance 7.1.0 7.1.0.x
cisco / sourcefire_defense_center 6.4.0.11 6.4.0.11.x
cisco / sourcefire_defense_center 6.6.1 6.6.1.x
cisco / sourcefire_defense_center 6.7.0 6.7.0.x
cisco / sourcefire_defense_center 7.0.0 7.0.0.x
cisco / firepower_management_center_virtual_appliance 6.4.0 6.4.0.x
cisco / firepower_management_center_virtual_appliance 6.4.0.11 6.4.0.11.x
cisco / firepower_management_center_virtual_appliance 6.5.0 6.5.0.x
cisco / firepower_management_center_virtual_appliance 6.6.0 6.6.0.x
cisco / firepower_management_center_virtual_appliance 6.6.1 6.6.1.x
cisco / firepower_management_center_virtual_appliance 6.7.0 6.7.0.x
cisco / firepower_management_center_virtual_appliance 7.0.0 7.0.0.x
cisco / firepower_threat_defense 6.6.0 6.6.5