CVE-2024-20260: Memory Allocation with Excessive Size Value

Update for September 16, 2026: The original 1.0 version of this advisory was specific to the Cisco Adaptive Security Virtual Appliance ASAv and Cisco Secure Firewall Threat Defense Virtual FTDv models. However, it was later found that this vulnerability affects all Cisco Secure Firewall Adaptive...

CVE-2024-20268: Improper Handling of Extra Values

A vulnerability in the Simple Network Management Protocol SNMP feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to cause an unexpected reload of the device. This vulnerability is due to...

CVE-2024-20329: Improper Neutralization of Expression/Command Delimiters

A vulnerability in the SSH subsystem of Cisco Adaptive Security Appliance ASA Software could allow an authenticated, remote attacker to execute operating system commands as root. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by...

PT-2024-9151 · Cisco · Cisco Ftd +1

Name of the Vulnerable Software and Affected Versions: Cisco Adaptive Security Appliance ASA Software affected versions not specified Cisco Firepower Threat Defense FTD Software affected versions not specified Description: A vulnerability in the VPN web client services feature could allow an...

CVE-2024-20426: NULL Pointer Dereference

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...

CVE-2024-20293: Interpretation Conflict

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 Web Services DoS Vulnerability (cisco-sa-asaftd-websrvs-dos-X8gNucD2)

According to its self-reported version, the remote Cisco ASA Software is affected by a denial of service DoS vulnerability, due to incomplete error checking when parsing HTTP headers. An unauthenticated, remote attacker can exploit this issue, via specially crafted HTTP request, to cause the syst...

CVE-2024-20358

A vulnerability in the Cisco Adaptive Security Appliance ASA restore functionality that is available in Cisco ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system with root-level...

CVE-2024-20359

A vulnerability in a legacy capability that allowed for the preloading of VPN clients and plug-ins and that has been available in Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary code...

Cisco Adaptive Security Appliance Software VPN Authentication Bypass (cisco-sa-asaftd-multi-cert-dzA3h5PT)

According to its self-reported version, Cisco ASA Software is affected by a Remote Access SSL VPN Multiple Certificate Authentication Bypass vulnerability that could allow an authenticated, remote attacker to bypass a configured multiple certificate authentication policy and connect using only a...

CVE-2023-20275: Origin Validation Error

A vulnerability in the AnyConnect SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to send packets with another VPN user's source IP address. This vulnerability is due to improper...

CVE-2023-20264

Cisco ASA/FTD SAML SSO implementation flaw allows an unauthenticated attacker to intercept a user’s SAML assertion during remote VPN authentication due to insufficient login URL validation. An attacker can entice a user to visit a site under the attacker’s control, modify the login URL, and use t...

Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access SSL VPN Multiple Certificate Authentication Bypass Vulnerability

A vulnerability in the remote access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to bypass a configured multiple certificate authentication policy and connect using only a valid...

PT-2023-17406 · Cisco · Cisco Ftd +1

Name of the Vulnerable Software and Affected Versions: Cisco Adaptive Security Appliance ASA Software affected versions not specified Cisco Firepower Threat Defense FTD Software affected versions not specified Description: A vulnerability in ICMPv6 processing could allow an unauthenticated, remot...

Multiple Cisco Products Snort 3 Access Control Policy Bypass (cisco-sa-ftd-snort3acp-bypass-3bdR2BEh)

According to its self-reported version, Cisco ASA Software is affected by a vulnerability. Please see the included Cisco BIDs and Cisco Security Advisory for more information. TRUSTED...

CVE-2023-20247: Authentication Bypass Using an Alternate Path or Channel

A vulnerability in the remote access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, remote attacker to bypass a configured multiple certificate authentication policy and connect using only a valid...

CVE-2023-20042: Improper Resource Shutdown or Release

A vulnerability in the AnyConnect SSL VPN feature 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. This vulnerability is due to an...

CVE-2023-20245: Authentication Bypass by Spoofing

Multiple vulnerabilities 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 a configured access control list ACL and allow traffic that should be denied to flo...

CVE-2023-20269

Cisco ASA/FTD remote access VPN vulnerability CVE-2023-20269 allows an unauthenticated, remote attacker to perform brute force against credentials or, for older releases (

CVE-2023-20269: Authentication Bypass Using an Alternate Path or Channel

A vulnerability in the remote access VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct a brute force attack in an attempt to identify valid username and password combinations or ...