Cisco ASA/FTD Incorrect Authorization (CVE-2020-3578)

A vulnerability in the web services interface of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass a configured access rule and access parts of the WebVPN portal that are supposed to be blocked...

Cisco ASA Improper Restriction of Operations within the Bounds of a Memory Buffer (CVE-2026-20024)

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. To exploit this vulnerability, the attacker must have the OSPF...

Cisco ASA Improper Input Validation (CVE-2026-20020)

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition. If OSPF authentication is enabled, the attacker must know th...

Cisco ASA Use of Out-of-range Pointer Offset (CVE-2026-20022)

A vulnerability in the OSPF protocol of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a DoS condition when OSPF canonicalization debug is enabled by using 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 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...

Cisco Secure Firewall Threat Defense TLS DoS

The vulnerability of the Cisco Secure Firewall Threat Defense FTD software-based TLS protocol implementation is related to a memory reclamation error. Exploiting this vulnerability could allow an attacker to cause a service failure...

CVE-2026-20120

CVE-2026-20120 affects the ACL Object Group Search (OGS) implementation in Cisco Secure Firewall ASA and FTD Software. A logic error in how group access control policies (ACPs) are populated when OGS is configured allows an unauthenticated, remote attacker to send traffic that should be blocked t...

CVE-2026-20341

A vulnerability in the sftunnel inter-device communication protocol of Cisco Secure FMC Software could allow an authenticated, remote attacker to obtain root privileges. This vulnerability is due to unsecured deserialization of untrusted data over the sftunnel management connection. An attacker...

EUVD-2026-81139

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-2026-20222 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-2026-20323: 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-2026-20295: 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...

PT-2026-93975

Name of the Vulnerable Software and Affected Versions Cisco Secure FMC Software affected versions not specified Cisco Secure FTD Software affected versions not specified Description An issue exists in the sftunnel inter-device communication protocol during the TLS connection setup. An...

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-2026-20250: 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...

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...

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...