944 matches found
CVE-2026-20222 Cisco Secure Adaptive Security Appliance Software and Secure Firewall Threat Defense Software EIGRP Denial of Service Vulnerability
A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS...
CVE-2026-20222
CVE-2026-20222 affects the EIGRP implementation in Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense (FTD) Software. The root cause is improper resource management when processing EIGRP update messages. An unauthenticated, adjacent attacker can send crafted EIGRP updates...
EUVD-2026-81113
A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to exhaust the available memory of an affected device. This vulnerability is due to improper management of memory resource...
CVE-2026-20290: Buffer Access with Incorrect Length Value
A vulnerability in SSL/TLS certificate parsing in the Snort 2 Detection Engine of Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the Snort 2 Detection Engine to restart. This vulnerability is due to incomplete validation of the SSL...
CVE-2026-20323: Improper Certificate Validation
A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to impersonate the peer device and obtain access at the level of the manager role, which is equivalent to root. This...
CVE-2026-20135: Double Free
A vulnerability in the TLS 1.3 implementation in Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service DoS condition. This vulnerability is due to improper buffer...
CVE-2026-20295: Memory Allocation with Excessive Size Value
A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to exhaust the available memory of an affected device. This vulnerability is due to improper management of memory resource...
CVE-2026-20121: Improper Access Control
A vulnerability in the access control list ACL Object Group Search OGS implementation of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured access controls. This...
CVE-2026-20222: Missing Release of Memory after Effective Lifetime
A vulnerability in the EIGRP implementation in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, adjacent attacker to cause the device to reload unexpectedly, resulting in a denial of service DoS...
PT-2026-93966
Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software affected versions not specified Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description A logic error in the certification authentication...
CVE-2026-20248: Signed to Unsigned Conversion Error
A vulnerability in the DNS over TCP implementation 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 the TCP DNS response handler to unexpectedly restart, causing the...
CVE-2026-20154: Loop with Unreachable Exit Condition
A vulnerability in the system rate-limiting process for syslog message 419002 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 high CPU utilization on an affected device...
CVE-2026-20120: Improper Access Control
A vulnerability in the access control list ACL Object Group Search OGS implementation of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass configured access controls. This...
CVE-2026-20250: Missing Release of Resource after Effective Lifetime
A vulnerability in Datagram TLS DTLS message handling of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software for Cisco Secure Firewall 3100 Series and 4200 Series devices could allow an unauthenticated, remote attacker to cause a...
PT-2026-73230
Three pressures shaped this week's queue. Perimeter and analytics software came under confirmed attack, with three fresh KEV entries carrying remediation deadlines that have already passed. Microsoft shipped one of the largest security releases in its history. PostgreSQL shipped the largest singl...
Cisco Firewall Threat Defense (FTD) Software Remote Access SSL VPN DoS (cisco-sa-asaftd-vpn-dos-dzv4mQFF)
According to its self-reported version, the Cisco Secure Firewall Threat Defense FTD Software is affected by a denial of service vulnerability. A flaw exists due to insufficient error checking when processing HTTP requests. An unauthenticated, remote attacker can exploit this issue, via a crafted...
The vulnerability of the Remote Access SSL VPN microprogramming network interface device of Cisco Adaptive Security Appliance (ASA) and Cisco Secure Firewall Threat Defense (FTD) allows a attacker to cause a service failure.
The vulnerability of the Remote Access SSL VPN microprogramming network interface device of Cisco Adaptive Security Appliance ASA and Cisco Secure Firewall Threat Defense FTD is related to improper cleaning of dynamic memory. Exploiting this vulnerability allows a malicious actor to cause service...
Vulnerability handling in Cisco Secure Firewall ASA and FTD software
Cisco has identified a vulnerability in Cisco Secure Firewall ASA and FTD software. The vulnerability resides in the heap inspection mechanism within the Remote Access SSL VPN service. It arises due to insufficient error checking during the processing of HTTP requests. An unauthenticated external...
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...
CVE-2026-20349
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 an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of servic...