IT

Tracker / CVE-2026-20106

CVE-2026-20106

Medium 5.3

A vulnerability in the Remote Access SSL VPN, HTTP management and MUS functionality, of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of service (DoS) condition requiring a manual reboot. This vulnerability is due to trusting user input without validation. An attacker could exploit this vulnerability by sending crafted packets to the Remote Access SSL VPN server. A successful exploit could allow the attacker to cause the device to stop responding, resulting in a DoS condition.

Affected products and versions

cisco adaptive_security_appliance_software · 9.12.1 → 9.16.4.85
cisco adaptive_security_appliance_software · 9.17.1 → 9.18.4.66
cisco adaptive_security_appliance_software · 9.19.1 → 9.20.4
cisco adaptive_security_appliance_software · 9.22.1.1 → 9.22.2.4
cisco adaptive_security_appliance_software · 9.23.1 → 9.23.1.7
cisco secure_firewall_threat_defense · 6.4.0 → 7.0.9
cisco secure_firewall_threat_defense · 7.1.0 → 7.2.11
cisco secure_firewall_threat_defense · 7.3.0 → 7.4.3
cisco secure_firewall_threat_defense · 7.6.0 → 7.6.4
cisco secure_firewall_threat_defense · 7.7.0 → 7.7.11

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References