CVE-2026-20106

Cisco Secure Firewall ASA/FTD Software vulnerability CVE-2026-20106 exposes Remote Access SSL VPN, HTTP management, and MUS functionality to unauthenticated, remote exploitation. The issue stems from insufficient input validation, allowing crafted packets to exhaust device memory and cause a DoS ...

CVE-2026-20105

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory resulting in a denial of...

CVE-2026-20105

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory resulting in a denial of...

CVE-2026-20103

A vulnerability in the Remote Access SSL VPN 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 to n...

CVE-2026-20039 Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentication Denial of Service Vulnerability

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due...

CVE-2026-20039 Cisco Adaptive Security Appliance and Firepower Threat Defense Software SSL VPN Authentication Denial of Service Vulnerability

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due...

CVE-2026-20039

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability

A vulnerability in the VPN web services component of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a browser that is accessin...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Client-Side Request Smuggling Vulnerability

A vulnerability in the VPN web services component of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct browser-based attacks against users of an affected device. This...

Cisco Secure Firewall Adaptive Security Appliance Software SSH Partial Private Key Authentication Bypass Vulnerability

A vulnerability in the implementation of the proprietary SSH stack with SSH key-based authentication in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to log in to a Cisco Secure Firewall ASA device and execute commands as a specific...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Server Denial of Service Vulnerability

A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. This vulnerability is due...

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software OSPF Protocol Vulnerabilities

Multiple vulnerabilities in the OSPF feature of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS condition. For mor...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 缓冲区错误漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure FTD Software 安全特征问题漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure FTD Software are products of Cisco, a company based in the United States. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure FTD Software is the core software platform for...

Cisco Secure Firewall Adaptive Security Appliance 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software developed by Cisco, Inc. There is a security vulnerability in Cisco Secure Firewall Adaptive Security Appliance. This vulnerability stems from improper access control operations during the secure copy...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...

PT-2026-23011

A vulnerability in the handling of the embryonic connection limits in Cisco Secure Firewall Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause incoming TCP SYN packets to be dropped incorrectly. This vulnerability is due to improper handling of new,...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 操作系统命令注入漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...

Cisco Secure Firewall Adaptive Security Appliance和Cisco Secure Firewall Threat Defense 安全漏洞

Cisco Secure Firewall Adaptive Security Appliance and Cisco Secure Firewall Threat Defense are products of Cisco, a US company. Cisco Secure Firewall Adaptive Security Appliance is an enterprise-level firewall software. Cisco Secure Firewall Threat Defense is an integrated firewall platform. Both...