CVEDB API

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-20064

A vulnerability in of Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, local attacker to cause the device to unexpectedly reload, causing a denial of service (DoS) condition. This vulnerability is due to improper validation of user-supplied input. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.0

EPSS Ranking 8.8%

CVSS Severity

CVSS v3 Score 6.5

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ftd-cmd-inj-mTzGZexf

Products affected by CVE-2026-20064

Cisco » Firepower Threat Defense Software » Version: 6.2.3

cpe:2.3:a:cisco:firepower_threat_defense_software:6.2.3
Cisco » Firepower Threat Defense Software » Version: 6.4.0

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0
Cisco » Firepower Threat Defense Software » Version: 6.4.0.1

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.1
Cisco » Firepower Threat Defense Software » Version: 6.4.0.10

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.10
Cisco » Firepower Threat Defense Software » Version: 6.4.0.11

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.11
Cisco » Firepower Threat Defense Software » Version: 6.4.0.12

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.12
Cisco » Firepower Threat Defense Software » Version: 6.4.0.13

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.13
Cisco » Firepower Threat Defense Software » Version: 6.4.0.14

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.14
Cisco » Firepower Threat Defense Software » Version: 6.4.0.15

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.15
Cisco » Firepower Threat Defense Software » Version: 6.4.0.16

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.16
Cisco » Firepower Threat Defense Software » Version: 6.4.0.17

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.17
Cisco » Firepower Threat Defense Software » Version: 6.4.0.18

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.18
Cisco » Firepower Threat Defense Software » Version: 6.4.0.2

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.2
Cisco » Firepower Threat Defense Software » Version: 6.4.0.3

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.3
Cisco » Firepower Threat Defense Software » Version: 6.4.0.4

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.4
Cisco » Firepower Threat Defense Software » Version: 6.4.0.5

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.5
Cisco » Firepower Threat Defense Software » Version: 6.4.0.6

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.6
Cisco » Firepower Threat Defense Software » Version: 6.4.0.7

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.7
Cisco » Firepower Threat Defense Software » Version: 6.4.0.8

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.8
Cisco » Firepower Threat Defense Software » Version: 6.4.0.9

cpe:2.3:a:cisco:firepower_threat_defense_software:6.4.0.9
Cisco » Firepower Threat Defense Software » Version: 7.0.0

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.0
Cisco » Firepower Threat Defense Software » Version: 7.0.0.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.0.1
Cisco » Firepower Threat Defense Software » Version: 7.0.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.1
Cisco » Firepower Threat Defense Software » Version: 7.0.1.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.1.1
Cisco » Firepower Threat Defense Software » Version: 7.0.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.2
Cisco » Firepower Threat Defense Software » Version: 7.0.2.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.2.1
Cisco » Firepower Threat Defense Software » Version: 7.0.3

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.3
Cisco » Firepower Threat Defense Software » Version: 7.0.4

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.4
Cisco » Firepower Threat Defense Software » Version: 7.0.5

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.5
Cisco » Firepower Threat Defense Software » Version: 7.0.6

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.6
Cisco » Firepower Threat Defense Software » Version: 7.0.6.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.6.1
Cisco » Firepower Threat Defense Software » Version: 7.0.6.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.6.2
Cisco » Firepower Threat Defense Software » Version: 7.0.6.3

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.6.3
Cisco » Firepower Threat Defense Software » Version: 7.0.7

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.7
Cisco » Firepower Threat Defense Software » Version: 7.0.8

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.8
Cisco » Firepower Threat Defense Software » Version: 7.0.8.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.0.8.1
Cisco » Firepower Threat Defense Software » Version: 7.1.0

cpe:2.3:a:cisco:firepower_threat_defense_software:7.1.0
Cisco » Firepower Threat Defense Software » Version: 7.1.0.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.1.0.1
Cisco » Firepower Threat Defense Software » Version: 7.1.0.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.1.0.2
Cisco » Firepower Threat Defense Software » Version: 7.1.0.3

cpe:2.3:a:cisco:firepower_threat_defense_software:7.1.0.3
Cisco » Firepower Threat Defense Software » Version: 7.2.0

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.0
Cisco » Firepower Threat Defense Software » Version: 7.2.0.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.0.1
Cisco » Firepower Threat Defense Software » Version: 7.2.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.1
Cisco » Firepower Threat Defense Software » Version: 7.2.10

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.10
Cisco » Firepower Threat Defense Software » Version: 7.2.10.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.10.2
Cisco » Firepower Threat Defense Software » Version: 7.2.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.2
Cisco » Firepower Threat Defense Software » Version: 7.2.3

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.3
Cisco » Firepower Threat Defense Software » Version: 7.2.4

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.4
Cisco » Firepower Threat Defense Software » Version: 7.2.4.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.4.1
Cisco » Firepower Threat Defense Software » Version: 7.2.5

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.5
Cisco » Firepower Threat Defense Software » Version: 7.2.5.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.5.1
Cisco » Firepower Threat Defense Software » Version: 7.2.5.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.5.2
Cisco » Firepower Threat Defense Software » Version: 7.2.6

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.6
Cisco » Firepower Threat Defense Software » Version: 7.2.7

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.7
Cisco » Firepower Threat Defense Software » Version: 7.2.8

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.8
Cisco » Firepower Threat Defense Software » Version: 7.2.8.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.8.1
Cisco » Firepower Threat Defense Software » Version: 7.2.9

cpe:2.3:a:cisco:firepower_threat_defense_software:7.2.9
Cisco » Firepower Threat Defense Software » Version: 7.3.0

cpe:2.3:a:cisco:firepower_threat_defense_software:7.3.0
Cisco » Firepower Threat Defense Software » Version: 7.3.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.3.1
Cisco » Firepower Threat Defense Software » Version: 7.3.1.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.3.1.1
Cisco » Firepower Threat Defense Software » Version: 7.3.1.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.3.1.2
Cisco » Firepower Threat Defense Software » Version: 7.4.0

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.0
Cisco » Firepower Threat Defense Software » Version: 7.4.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.1
Cisco » Firepower Threat Defense Software » Version: 7.4.1.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.1.1
Cisco » Firepower Threat Defense Software » Version: 7.4.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.2
Cisco » Firepower Threat Defense Software » Version: 7.4.2.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.2.1
Cisco » Firepower Threat Defense Software » Version: 7.4.2.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.2.2
Cisco » Firepower Threat Defense Software » Version: 7.4.2.3

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.2.3
Cisco » Firepower Threat Defense Software » Version: 7.4.2.4

cpe:2.3:a:cisco:firepower_threat_defense_software:7.4.2.4
Cisco » Firepower Threat Defense Software » Version: 7.6.0

cpe:2.3:a:cisco:firepower_threat_defense_software:7.6.0
Cisco » Firepower Threat Defense Software » Version: 7.6.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.6.1
Cisco » Firepower Threat Defense Software » Version: 7.6.2

cpe:2.3:a:cisco:firepower_threat_defense_software:7.6.2
Cisco » Firepower Threat Defense Software » Version: 7.6.2.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.6.2.1
Cisco » Firepower Threat Defense Software » Version: 7.7.0

cpe:2.3:a:cisco:firepower_threat_defense_software:7.7.0
Cisco » Firepower Threat Defense Software » Version: 7.7.10

cpe:2.3:a:cisco:firepower_threat_defense_software:7.7.10
Cisco » Firepower Threat Defense Software » Version: 7.7.10.1

cpe:2.3:a:cisco:firepower_threat_defense_software:7.7.10.1

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-20064

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