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CVE-2025-20148

Cisco Secure Firewall Management Center (FMC) Software - Web-based management interface

Cisco CVSS 8.5 Updated March 16, 2026

Executive Risk Summary

"A vulnerability in the web-based management interface of Cisco Secure Firewall Management Center (FMC) Software could allow an authenticated, remote attacker to inject arbitrary HTML content into a device-generated document, potentially leading to server-side request forgery (SSRF) attacks and unauthorized access to sensitive information. To exploit this vulnerability, the attacker must have valid credentials for a user account with at least the role of Security Analyst (Read Only)."

Operational Audit Arsenal

Target Type Firmware Image
Target Asset Cisco Secure Firewall Management Center (FMC) Software
Standard Path Management Plane

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

Moderate

Internal Work Notes

CVE-2025-20148: Cisco Secure Firewall Management Center (FMC) Software HTML injection vulnerability - requires validation of user-supplied data to prevent SSRF attacks and unauthorized access to sensitive information.

Technical Intelligence & Operational Utilities • Delivered Weekly

Intelligence Sources

Related Cisco Threats

Data compiled from NVD, MSRC, and CISA KEV Catalog. Intelligence synthesized via AI. Scripts provided for diagnostic purposes under MIT License.