Medium 6.0Published Mar 4, 2026

CVE-2026-20016A vulnerability in the Cisco FXOS Software CLI feature for Cisco Secure Firewall ASA Software and Secure FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the…

Updated under an hour ago (Oct 27, 2026, 4:23 AM ET)

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It affects Cisco Secure Firewall Threat Defense (FTD) Software and 2 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Cisco Secure Firewall Threat Defense (FTD) Software

Exploited in the last 30 days

A vulnerability in the Cisco FXOS Software CLI feature for Cisco Secure Firewall ASA Software and Secure FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level privileges. To exploit this vulnerability, the attacker must have valid administrative credentials on an affected device. This vulnerability is due to insufficient input validation of user-supplied command arguments. An attacker could exploit this vulnerability by submitting crafted input for specific CLI commands. A successful exploit could allow the attacker to execute commands on the underlying operating system with root-level privileges.

CVSS: 6.0 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-88
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: cisco
NVD analysis: Analyzed
Record last updated: Mar 4, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Cisco Cisco Secure Firewall Threat Defense (FTD) Software cisco:secure_firewall_threat_defense_ftd_software (from the name)	7.0.0; 7.0.0.1; 7.0.1; 7.0.1.1; 7.0.2; 7.0.2.1; 7.0.3; 7.0.4; and 47 more ranges	CNA record
cisco adaptive_security_appliance_software cisco:adaptive_security_appliance_software	from 9.12.1 before 9.16.4.85; from 9.17.1 before 9.18.4.66; from 9.19.1 before 9.20.4; from 9.22.1.1 before 9.22.2.4; from 9.23.1 before 9.23.1.7	NVD
cisco secure_firewall_threat_defense cisco:secure_firewall_threat_defense	from 6.4.0 before 7.0.9; from 7.1.0 before 7.2.11; from 7.3.0 before 7.4.3; from 7.6.0 before 7.6.4; from 7.7.0 before 7.7.11	NVD

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.