What is CVE-2026-20016?

CVE-2026-20016 is a medium-severity vulnerability in Cisco Adaptive_security_appliance_software, classified under Argument Injection. CVSS score: 6.0/10. Published 2026-03-04.

How severe is CVE-2026-20016?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Vulnerability in Cisco Adaptive_security_appliance_software

CVE-2026-20016

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-l…

EPSS: 0.000 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N.

Affected products

Cisco Adaptive_security_appliance_software
Cisco Secure Firewall Threat Defense (Ftd) Software — versions 7.0.0, 7.0.0.1, 7.0.1
Cisco Firepower_threat_defense_software

Weakness classification (CWE)

CWE-88 — Argument Injection

References

psirt@cisco.com (Vendor Advisory)

Frequently asked questions

What is CVE-2026-20016?: CVE-2026-20016 is a medium-severity vulnerability in Cisco Adaptive_security_appliance_software, classified under Argument Injection. CVSS score: 6.0/10. Published 2026-03-04.
How severe is CVE-2026-20016?: Medium severity. CVSS v3 base score is 6.0 out of 10.