CVE-2026-20344

Cisco Secure Firewall Management Center Software SQL Injection Vulnerability

Severity
High 8.8
CVSS 3.1
Remote, needs privileges or user interaction what this means
Exploited
Not listed
EPSS
0.004
28.8th percentile
Discovered by
Vendor
Vendor-published field
Published
Sep 16, 2026
Assigned by cisco

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

Affected products

Vendor Product Category Matched by
Cisco Cisco Secure Firewall Management Center Check your version Network & Security Management cna-assigner
Vendor-reported products (1)
  • Cisco · Cisco Secure Firewall Management Center (FMC)

Vendor advisory

cisco-sa-fmc-mulivulns-4PsnFwvx

Cisco Secure Firewall Management Center Software Vulnerabilities

Cisco’s rating: Critical (advisory CVSS 9.1) · Published Sep 16, 2026

Bug IDs: CSCwu16954 , CSCwu24501 , CSCwu27275 , CSCwu36643 , CSCwu42586

The vendor’s rating applies to the whole advisory and can differ from this CVE’s own CVSS severity. Where this comes from

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