CVE-2026-20106

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...

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...

CVE-2026-20014

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remote attacker with valid VPN user credentials to cause a DoS condition on an affected device that may also impact the availability of services to devices...

CVE-2026-20070

CVE-2026-20070 describes a cross-site scripting (XSS) vulnerability in the VPN web services component of Cisco Secure Firewall ASA/FTD software. The issue stems from improper validation of user-supplied input in HTTP requests, enabling an unauthenticated, remote attacker to induce a browser to ex...

CVE-2026-20069 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...

CVE-2026-20069

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...

CVE-2026-20069 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...

CVE-2026-20049

A vulnerability in the processing of Galois/Counter Mode GCM-encrypted Internet Key Exchange version 2 IKEv2 IPsec traffic of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker to cause...

CVE-2026-20014

The CVE concerns Cisco Secure Firewall ASA Software and Cisco Secure FTD Software with an IKEv2 handling flaw. An authenticated remote attacker with valid VPN user credentials can send crafted IKEv2 packets to trigger a DoS by exhausting memory, leading to a device reload and potential impact on ...

CVE-2026-20014

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remote attacker with valid VPN user credentials to cause a DoS condition on an affected device that may also impact the availability of services to devices...

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-2026-20103

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-2026-20100

CVE-2026-20100 affects Cisco Secure Firewall ASA/FTD: a vulnerability in the LUA interpreter used by Remote Access SSL VPN could allow an authenticated attacker with a valid VPN connection to cause a device reload and a DoS. The issue stems from unvalidated user input in the LUA interpreter; expl...

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

CVE-2026-20039 affects Cisco Secure Firewall ASA/FTD VPN web server. The root cause is ineffective memory management in the VPN web server, which can be exploited by sending a large flood of crafted HTTP requests, potentially causing the device to reload and suffer a denial-of-service. The affect...

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 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...

PT-2026-22981

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...

PT-2026-23027

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description A flaw exists in the VPN web services component that may allow a remote attacker t...

PT-2026-22975

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description A flaw exists in the VPN web server that could allow a remote, unauthenticated...