Executive Risk Summary
"A vulnerability in the LUA interpreter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to trusting user input without validation in the LUA interpreter."
Operational Audit Arsenal
Target Type Firmware
Target Asset Cisco Secure Firewall Adaptive Security Appliance (ASA) Software
Standard Path https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-vpn-m9sx6MbC
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-2026-20100: Potential DoS vulnerability in Cisco Secure Firewall ASA Software Remote Access SSL VPN, requiring firmware update and reboot
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.