Executive Risk Summary
"A vulnerability in the management and VPN web servers of the Remote Access SSL VPN feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to unexpectedly stop responding, resulting in a DoS condition. This vulnerability is due to ineffective validation of user-supplied input during the Remote Access SSL VPN authentication process."
Operational Audit Arsenal
Target Type Firmware Image
Target Asset Cisco Secure Firewall ASA Software
Standard Path Global Firmware
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
High
Internal Work Notes
CVE-2025-20133: Cisco Secure Firewall ASA Software Remote Access SSL VPN DoS Vulnerability - Verify version and apply patch to prevent unauthenticated remote attacker from causing device to stop responding.
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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.