SQL Injection in Cisco Secure Firewall Management Center (Fmc)

CVE-2026-20344

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.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20344?
CVE-2026-20344 is a high-severity vulnerability in Cisco Secure Firewall Management Center (Fmc), classified under SQL Injection. CVSS score: 8.8/10. Published 2026-09-16.
How severe is CVE-2026-20344?
High severity. CVSS v3 base score is 8.8 out of 10.