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TI-2021-13753 Aliases CVE-2021-34755GHSA-9jjh-cpjv-rhw6

Cisco Firepower Threat Defense Software Command Injection Vulnerabilities

Priority LOW 36CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00273 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CiscoCisco Firepower Threat Defense Softwareall versions—No fix listedCNA
  • Cisco Firepower Threat Defense Software VendorCisco Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 25

CPEVersionsRoleVendor
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.1.0:*:*:*:*:*:*:*6.1.0VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.2.0:*:*:*:*:*:*:*6.2.0VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.2.3:*:*:*:*:*:*:*6.2.3VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.3.0:*:*:*:*:*:*:*6.3.0VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.4.0:*:*:*:*:*:*:*6.4.0VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.4.0.11:*:*:*:*:*:*:*6.4.0.11VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.5.0:*:*:*:*:*:*:*6.5.0VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.0:*:*:*:*:*:*:*6.6.0VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.1:*:*:*:*:*:*:*6.6.1VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.7.0:*:*:*:*:*:*:*6.7.0VulnerableCisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.2.0:*:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.2.3:*:*:*:*:*:*:* Versions 6.2.3 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.3.0:*:*:*:*:*:*:* Versions 6.3.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.4.0:*:*:*:*:*:*:* Versions 6.4.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.4.0.11:*:*:*:*:*:*:* Versions 6.4.0.11 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.5.0:*:*:*:*:*:*:* Versions 6.5.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.0:*:*:*:*:*:*:* Versions 6.6.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.6.1:*:*:*:*:*:*:* Versions 6.6.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:6.7.0:*:*:*:*:*:*:* Versions 6.7.0 Vulnerable ·Cisco
Show 15 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableCisco
cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.1.0:*:*:*:*:*:*:*7.1.0VulnerableCisco
cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*6.4.0 to before 6.4.0.13; 6.6.0 to before 6.6.5; 6.7.0 to before 6.7.0.3; 7.0.0 to before 7.0.1VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.1.0:*:*:*:*:*:*:*6.1.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.2.0:*:*:*:*:*:*:*6.2.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.2.3:*:*:*:*:*:*:*6.2.3VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.3.0:*:*:*:*:*:*:*6.3.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.4.0:*:*:*:*:*:*:*6.4.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.4.0.11:*:*:*:*:*:*:*6.4.0.11VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.5.0:*:*:*:*:*:*:*6.5.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.6.0:*:*:*:*:*:*:*6.6.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.6.1:*:*:*:*:*:*:*6.6.1VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:6.7.0:*:*:*:*:*:*:*6.7.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:7.0.0:*:*:*:*:*:*:*7.0.0VulnerableCisco
cpe:2.3:a:cisco:sourcefire_defense_center:7.1.0:*:*:*:*:*:*:*7.1.0VulnerableCisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:firepower_management_center_virtual_appliance:7.1.0:*:*:*:*:*:*:* Versions 7.1.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:* Versions 6.4.0 to before 6.4.0.13; 6.6.0 to before 6.6.5; 6.7.0 to before 6.7.0.3; 7.0.0 to before 7.0.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.1.0:*:*:*:*:*:*:* Versions 6.1.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.2.0:*:*:*:*:*:*:* Versions 6.2.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.2.3:*:*:*:*:*:*:* Versions 6.2.3 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.3.0:*:*:*:*:*:*:* Versions 6.3.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.4.0:*:*:*:*:*:*:* Versions 6.4.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.4.0.11:*:*:*:*:*:*:* Versions 6.4.0.11 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.5.0:*:*:*:*:*:*:* Versions 6.5.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.6.0:*:*:*:*:*:*:* Versions 6.6.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.6.1:*:*:*:*:*:*:* Versions 6.6.1 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:6.7.0:*:*:*:*:*:*:* Versions 6.7.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:7.0.0:*:*:*:*:*:*:* Versions 7.0.0 Vulnerable ·Cisco
  • cpe:2.3:a:cisco:sourcefire_defense_center:7.1.0:*:*:*:*:*:*:* Versions 7.1.0 Vulnerable ·Cisco

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Cisco Firepower Threat Defense Software — 20211027 Cisco Firepower Threat Defense Software Command Injection Vulnerabilities

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2021-13754 Cisco Firepower Threat Defense Software Command Injection VulnerabilitiesPriority LOW 36
    Show all 2 records → Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34755
  2. 2026-10-03 Alias added: GHSA-9jjh-cpjv-rhw6

References

Advisory 1

  • TI-2021-13779 Cisco Firepower Threat Defense Software SSH Connections Denial of Service Vulnerability CVSS 3.1HIGH 8.6
  • TI-2018-00324 Cross-site request forgery in Cisco Firepower Management Center unknown CVSS 3.0HIGH 8.8
  • TI-2021-13760 Cisco Firepower Management Center Software Authenticated Directory Traversal Vulnerability CVSS 3.1HIGH 8.1
  • TI-2021-13754 Cisco Firepower Threat Defense Software Command Injection Vulnerabilities CVSS 3.1HIGH 7.8
  • TI-2021-13762 Cisco Firepower Management Center Software Cross-Site Scripting and Open Redirect Vulnerabilities CVSS 3.1MEDIUM 6.1
  • TI-2021-13759 Cisco Firepower Threat Defense Software CLI Arbitrary File Write Vulnerability CVSS 3.1MEDIUM 6.0
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences