Cisco ASA Uncontrolled Resource Consumption (CVE-2019-15256)

A vulnerability in the Internet Key Exchange version 1 IKEv1 feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a reload of an affected device, resulting in a denial of service DoS...

Cisco ASA NULL Pointer Dereference (CVE-2024-20426)

A vulnerability in the Internet Key Exchange version 2 IKEv2 protocol for VPN termination of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected...

Cisco ASA Out-of-bounds Read (CVE-2020-3298)

A vulnerability in the Open Shortest Path First OSPF implementation of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause the reload of an affected device, resulting in a denial of service DoS...

Cisco ASA Uncontrolled Resource Consumption (CVE-2020-3554)

A vulnerability in the TCP packet processing of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition on an affected device. The vulnerability is due to a memory...

Cisco ASA Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2019-15992)

A vulnerability in the implementation of the Lua interpreter integrated in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to execute arbitrary code with root privileges on the underlying Linux operating...

Cisco ASA Improper Access Control (CVE-2018-15398)

A vulnerability in the per-user-override feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass an access control list ACL that is configured for an interface of an affected device. The...

Rockwell Automation Allen-Bradley Stratix 5950 Improper Input Validation (CVE-2018-0231)

A vulnerability in the Transport Layer Security TLS library of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a reload of the affected device, resulting in a denial of service DoS condition...

Cisco ASA Uncontrolled Resource Consumption (CVE-2018-15388)

A vulnerability in the WebVPN login process of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause increased CPU utilization on an affected device. The vulnerability is due to excessive processing...

Cisco ASA Memory Leak (CVE-2019-1708)

A vulnerability in the Internet Key Exchange Version 2 Mobility and Multihoming Protocol MOBIKE feature for the Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an...

Cisco Secure Firewall Threat Defense Speed-Limiting Mechanism DoS

The vulnerability of the syslog 419002 mechanism used by Cisco Secure Firewall Threat Defense FTD and Cisco Secure Firewall Adaptive Security Appliance ASA relates to improper memory release. Exploiting this vulnerability could allow a malicious actor to cause a service failure...

CVE-2026-20334 Cisco Secure Adaptive Security Appliance Software, Secure Firewall Threat Defense Software and Secure Firewall Management Center Software Hardening Release - Coding Standards Vulnerabilities

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Adaptive Security Appliance Software, Cisco Secure Firewall Threat Defense Software and Cisco Secure Firewall Management Center Software engineering team has conducted a comprehensive internal securi...

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 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...

CVE-2026-20331

CVE-2026-20331 affects Cisco Secure Adaptive Security Appliance (ASA) Software , Cisco Secure Firewall Threat Defense (FTD) Software , and Cisco Secure Firewall Management Center (FMC) Software . The vulnerabilities stem from Protection Mechanism Failure issues, grouped under CWE-693, discovered ...

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...

PT-2026-93960

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 An issue in the EIGRP implementation allows an...

CVE-2026-20249: Incorrect Type Conversion or Cast

A vulnerability in the certification authentication feature of Internet Key Exchange version 2 IKEv2 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 an affected device...

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...

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...