Cisco Secure Firewall Threat Defense Software VPN Web Server Remote Code Execution (cisco-sa-asaftd-webvpn-z5xP8EUB)

According to its self-reported version, Cisco Firepower Threat Defense Software is affected by a vulnerability: - A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an...

The vulnerability in the web server of microprogramming-based network interface controllers of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) for operating systems Cisco IOS, Cisco IOS XR, and Cisco IOS XE allows a attacker to cause service interruptions.

The vulnerability of Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD web servers’ microprogramming-based network interface controllers in Cisco IOS, Cisco IOS XR, and Cisco IOS XE operating systems is related to buffer overflow in dynamic memory. Exploiting this...

The vulnerability in the web-server-based VPN microprogramming system of Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows attackers to compromise the confidentiality and integrity of protected information.

The vulnerability of Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD VPN microprogramming devices lies in the absence of authentication. Exploiting this vulnerability allows a malicious actor to compromise the confidentiality and integrity of protected information by...

CVE-2025-20362

Update: On November 5, 2025, Cisco became aware of a new attack variant against devices running Cisco Secure ASA Software or Cisco Secure FTD Software releases that are affected by CVE-2025-20333 and CVE-2025-20362. This attack can cause unpatched devices to unexpectedly reload, leading to denial...

CVE-2025-20363

A vulnerability in the web services of Cisco Secure Firewall Adaptive Security Appliance ASA Software, Cisco Secure Firewall Threat Defense FTD Software, Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, remote attacker Cisco ASA and FTD Software...

CISA Directs Federal Agencies to Identify and Mitigate Potential Compromise of Cisco Devices

Today, CISA issued Emergency Directive ED 25-03: Identify and Mitigate Potential Compromise of Cisco Devices to address vulnerabilities in Cisco Adaptive Security Appliances ASA and Cisco Firepower devices. CISA has added vulnerabilities CVE-2025-20333link is external and CVE-2025-20362link is...

Cisco Adaptive Firepower Threat Defense Software Inactive-to-Active ACL Bypass (cisco-sa-asaftd-ogsnsg-aclbyp-3XB8q6jX)

A vulnerability in the activation of an access control list ACL on Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. Thi...

Cisco Adaptive Security Appliance Software Inactive-to-Active ACL Bypass (cisco-sa-asaftd-ogsnsg-aclbyp-3XB8q6jX)

A vulnerability in the activation of an access control list ACL on Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to bypass the protection that is offered by a configured ACL on an affected device. Thi...

The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause service interruptions.

The vulnerability of the Internet Key Exchange Version 2 IKEv2 function in Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD systems is related to the absence of memory release after the effective lifespan. Exploitation of this vulnerability can allow a malicious actor ...

The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause service interruptions.

The vulnerability of the Internet Key Exchange Version 2 IKEv2 function in Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD systems relates to the execution of a cycle with an unavailable exit condition. Exploitation of this vulnerability could allow a malicious actor ...

The vulnerability of the Cisco Secure Firewall Management Center (formerly known as Cisco Firepower Management Center) and the Cisco Firepower Threat Defense (FTD) network interface microprograms lies in the insufficient verification of entered data, allowing attackers to execute arbitrary commands.

The vulnerability of the Cisco Secure Firewall Management Center formerly known as Cisco Firepower Management Center and the Cisco Firepower Threat Defense FTD network interface micro-software is related to insufficient validation of entered data. Exploiting this vulnerability can allow an attack...

The vulnerability of the Internet Key Exchange Version 2 (IKEv2) function in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause service interruptions.

The vulnerability of the Internet Key Exchange Version 2 IKEv2 function in Cisco Adaptive Security Appliances ASA and Cisco Firepower Threat Defense FTD is related to a memory leak error during the processing of incoming IKEv2 packets. Exploiting this vulnerability can allow an attacker to cause...

The vulnerability of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) microprogramming software lies in a memory release error during the processing of incoming DHCP packets. This allows attackers to cause service interruptions.

The vulnerability of the microprogramming software used in Cisco Adaptive Security Appliances ASA and Cisco Firepower Threat Defense FTD is related to a memory release error during the processing of incoming DHCP packets. Exploiting this vulnerability can allow an attacker to cause service...

The vulnerability of Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) microprogramming software lies in the lack of a mechanism for assigning internal resource access levels for debugging purposes. This allows attackers to elevate their privileges and execute arbitrary commands.

The vulnerability of Microprogramming Software in Cisco Adaptive Security Appliances ASA and Cisco Firepower Threat Defense FTD is related to deficiencies in the mechanism for assigning internal resource access levels for debugging purposes. Exploiting this vulnerability can allow attackers to...

Cisco Firepower Threat Defense Software SMB Protocol Snort 3 Detection Engine Bypass and DoS (cisco-sa-ftd-smbsnort3-dos-pfOjOYUV)

According to its self-reported version, Cisco Firepower Threat Defense FTD Software is affected by a vulnerability. - A vulnerability in the interaction between the Server Message Block SMB protocol preprocessor and the Snort 3 detection engine for Cisco Firepower Threat Defense FTD Software coul...

The vulnerability of the Snort detection module in Cisco Firepower Threat Defense’s microprogramming-based network interface controllers allows a hacker to trigger a service failure.

The vulnerability of the Snort detection module of Cisco Firepower Threat Defense’s microprogrammed network interface controllers is related to the execution of a loop with an unavailable exit condition. Exploiting this vulnerability could allow a malicious actor to trigger a service failure...

Vulnerabilities of Cisco IOS and IOS XE operating systems, as well as of the Cisco Firepower Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) micro-programmed network devices, related to writing beyond the buffer in memory, allowing attackers to trigger service interruptions.

Vulnerabilities of Cisco IOS and IOS XE operating systems, as well as of the Cisco Firepower Threat Defense FTD and Cisco Adaptive Security Appliance ASA micro-programmed network devices, are related to writing beyond the buffer boundaries in memory. Exploitation of these vulnerabilities can allo...

The vulnerability of the SSL VPN remote access service provided by microprogramming-based network interface devices of Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause a service failure.

The vulnerability of the SSL VPN microprogramming-based network interface service of Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD is related to improper validation of certain input types. Exploiting this vulnerability can allow a malicious actor to cause service...

The vulnerability of Microprogramming Software in Cisco Adaptive Security Appliances (ASA) and Cisco Firepower Threat Defense (FTD) arises from executing a loop with an unavailable exit condition, allowing attackers to cause service failures.

The vulnerability of Microprogrammed Network Interface Software in Cisco Adaptive Security Appliances ASA and Cisco Firepower Threat Defense FTD lies in the execution of a loop with an unavailable exit condition. Exploiting this vulnerability can allow a malicious actor to cause service...

The vulnerability of the SSL VPN remote access function in Cisco Adaptive Security Appliance (ASA) and Cisco Firepower Threat Defense (FTD) allows a attacker to cause a service failure.

The vulnerability of the SSL VPN remote access function in Cisco Adaptive Security Appliance ASA and Cisco Firepower Threat Defense FTD systems is related to memory release errors. Exploiting this vulnerability can allow a malicious actor to cause service interruptions...