CVE-2026-20344 Cisco Secure Firewall Management Center Software SQL Injection Vulnerability

High 8.8 Published Updated

Authenticated attackers with specific admin roles can exploit SQL injection to read database data and gain administrative privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-20344?

CVE-2026-20344 is a high-severity SQL injection vulnerability in Cisco Secure Firewall Management Center (FMC), published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco Secure FMC Software could allow an authenticated, remote attacker to perform a SQL injection attack against an affected device. To exploit this vulnerability, the attacker must have a valid account on the device with the role of Security Approver, Access Admin, or Network Admin. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface of an affected device. A successful exploit could allow the attacker to obtain any data from the database, obtain the session credentials of an authenticated Administrator, and take actions with administrative privileges on the affected device.

Weakness: CWE-89

Which versions are affected by CVE-2026-20344?

How do I fix CVE-2026-20344?

No fix has been published for CVE-2026-20344 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-20344 being exploited?

There is no known exploitation of CVE-2026-20344 in the wild and no public exploit code.

Sources

Also known as GHSA-fw9q-5m2f-8vhx.

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