Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability
CVSS score
8.6
EPSS probability
%1.0
Risk score
0.2
Published
2 mo ago
Related Security News
Articles and analysis bulletins in which the press and security publications have covered this vulnerability:
Cisco waarschuwt voor actief misbruik van dos-lek in vpn-service firewalls
Cisco waarschuwt organisaties voor actief misbruik van een kwetsbaarheid in de vpn-service van ASA- en FTD-firewalls waardoor ...
Cisco ASA and FTD Flaw Exploited in the Wild Can Trigger Remote DoS
Cisco has warned that a new vulnerability impacting Secure Firewall Adaptive Security Appliance (ASA) Software and Secure Firewall Threat Defense (FTD) Software has been exploited in the wild. The high-severity flaw, tracked as CVE-2026-20349 (CVSS score: 8.6), is a case of insufficient error checking when processing HTTP requests that could allow an unauthenticated, remote attacker to trigger
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