Search: “Secure Firewall ASA”

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Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability

Cisco patched an unauthenticated remote DoS in ASA and FTD Remote Access SSL VPN that reloads devices via crafted HTTP requests.

Cisco disclosed a denial-of-service vulnerability in the Remote Access SSL VPN service of Secure Firewall ASA and FTD software. Insufficient error checking when processing HTTP requests allows an unauthenticated, remote attacker to send a crafted HTTP request that causes the affected device to reload. Cisco has released software updates addressing the flaw.

Cisco Security AdvisoriesAug 11, 16:39 UTC · Aug 11, 2026Advisory

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Object Group Access Control List Bypass Vulnerabilities

Cisco patched ACL Object Group Search bypass flaws in ASA and FTD firewall software that let unauthenticated attackers reach protected networks.

Cisco disclosed multiple vulnerabilities in the ACL Object Group Search implementation of Secure Firewall ASA and FTD Software, caused by a logic error in populating group access control policies. An unauthenticated remote attacker could send traffic that should be blocked through the device, bypassing configured access controls. Cisco has released software updates; no exploitation is mentioned.

Cisco Security Advisories16:00 UTC · 3h agoAdvisory 9 sources

Search: “Secure Firewall ASA”

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerability

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Object Group Access Control List Bypass Vulnerabilities

FTP Injection flaws in Java and Python allows firewall bypass

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