{"id":13080,"date":"2025-08-14T22:37:30","date_gmt":"2025-08-14T22:37:30","guid":{"rendered":"http:\/\/localhost\/?p=13080"},"modified":"2025-08-14T22:37:30","modified_gmt":"2025-08-14T22:37:30","slug":"cisco-secure-firewall-adaptive-security-appliance-and-secure-firewall-threat-defense-software-remote","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=13080","title":{"rendered":"Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access VPN Web Server Denial of Service Vulnerability_CVE-2025-20244"},"content":{"rendered":"

{“lastseen”:””,”description”:”A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow a remote attacker that is authenticated as a VPN user to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.\\r\\n\\r\\nThis vulnerability is due to incomplete error checking when parsing an HTTP header field value. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted Remote Access SSL VPN service on an affected device. A successful exploit could allow the attacker to cause a DoS condition, which would cause the affected device to reload.”,”published”:”2025-08-14T16:29:29.694Z”,”modified”:”2025-08-14T19:19:47.292Z”,”type”:”cve”,”title”:”Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access VPN Web Server Denial of Service Vulnerability”,”source”:”cisco”,”references”:”https:\/\/sec.cloudapps.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-asaftd-vpnwebs-dos-hjBhmBsX”,”id”:”CVE-2025-20244″,”bulletinFamily”:””,”cwe”:null,”cvelist”:null,”sourceData”:”Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.3\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.3\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.12.1\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.1\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.12.2\\nCisco Cisco Adaptive Security Appliance (ASA) Software 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