CVE-2026-20016General(cisco / adaptive_security_appliance_software)

LOWCVSS 6.7 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch cisco adaptive_security_appliance_software systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

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

Weakness type (CWE)

CWE-88

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

adaptive_security_appliance_software
secure_firewall_threat_defense

Threat summary

Patch or workaround signal is available
2 mentions across 2 observed days
Momentum state: stable

What's happening

Patch or workaround mentioned in 1 signal
Technical details provided in 1 signal
General: 1 classified signal
Peaked 1d ago at 1 mentions (2026-03-04); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

cisco

Products

adaptive_security_appliance_softwaresecure_firewall_threat_defense

Deep dive

Activity timeline2 mentions / 2d

Signal classification2 categories

General

150.0%

Patch

150.0%

Referenced assets2 URLs

By indicator

Classification over time

Date	Total	Labels

2026-03-04	1	General1
2026-03-05	1	Patch1

Full discourse2 posts

Fernando Karl@fernandokarl221d
Patch
🚨 Cisco FXOS vulnerability CVE-2026-20016 allows authenticated attackers to execute commands with root privileges! Don't wait—patch your systems immediately and restrict admin access. Stay secure! 🛡️ #Cybersecurity #Cisco #Vulnerability Read more: https://www.tenable.com/cve/CVE-2026-20016
Post summary
CVE-2026-20016 is a privilege‑escalation flaw in Cisco FXOS that lets authenticated users run commands as root; the advisory urges quick patching and stricter admin access.
0000060
254 followersView on X
CVE@CVEnew221d
General
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 … https://www.cve.org/CVERecord?id=CVE-2026-20016
Post summary
The post merely references the CVE with a link and a minimal description, lacking details on exploitation, patches, or technical specifics.
00000103
56.6K followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
OS	cisco	adaptive_security_appliance_software	-	-	-
App	cisco	secure_firewall_threat_defense	-	-	-

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