CVE-2026-20016

MEDIUM EPSS 25.2%
Published Mar 4, 20263mo ago · Modified Jun 5, 20263w ago
6.7 CVSS 3.1
Medium
Find Similar
Published Mar 4, 2026 3mo ago
Last Modified Jun 5, 2026 3w ago

Description

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 Details

Base Score
6.7
Exploitability
0.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
25.2% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-88

Affected Products 10

VendorProductVersionRange
ciscoadaptive_security_appliance_software*≥9.12.1  –  <9.16.4.85
ciscoadaptive_security_appliance_software*≥9.17.1  –  <9.18.4.66
ciscoadaptive_security_appliance_software*≥9.19.1  –  <9.20.4
ciscoadaptive_security_appliance_software*≥9.22.1.1  –  <9.22.2.4
ciscoadaptive_security_appliance_software*≥9.23.1  –  <9.23.1.7
ciscofirepower_threat_defense_software*≥6.4.0  –  <7.0.9
ciscofirepower_threat_defense_software*≥7.1.0  –  <7.2.11
ciscofirepower_threat_defense_software*≥7.3.0  –  <7.4.3
ciscofirepower_threat_defense_software*≥7.6.0  –  <7.6.4
ciscofirepower_threat_defense_software*≥7.7.0  –  <7.7.11

References 1

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.