PT-2026-23037

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall ASA Software and Cisco Secure FTD Software affected versions not specified Description A flaw exists in the OSPF protocol that may allow a nearby attacker to cause an unexpected reload of a device, leading to a denial of...

CVE-2026-20020: Improper Input Validation

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...

PT-2026-23038

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description A flaw exists in the OSPF protocol implementation of the software that could allow...

PT-2026-23042

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall ASA Software and Cisco Secure FTD Software affected versions not specified Description A flaw exists in the OSPF protocol that may allow an authenticated, adjacent attacker to cause an unexpected reload of the device,...

CVE-2026-20025: Integer Overflow or Wraparound

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...

CVE-2026-20023: Out-of-bounds Write

A vulnerability in the OSPF protocol of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, adjacent attacker to corrupt memory on an affected device, resulting in a denial of service DoS condition...

CVE-2026-20014: Missing Release of Memory after Effective Lifetime

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remote attacker with valid VPN user credentials to cause a DoS condition on an affected device that may also impact the availability of services to devices...

PT-2026-22972

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an authenticated, remote attacker with valid VPN user credentials to cause a DoS condition on an affected device that may also impact the availability of services to devices...

CVE-2026-20073: Improper Access Control

A vulnerability in Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to send traffic that should be denied through an affected device. This vulnerability is due to improper error...

PT-2026-23014

A vulnerability in the CLI of Cisco Secure FTD Software could allow an authenticated, local attacker to execute arbitrary commands on the underlying operating system as root. To exploit this vulnerability, the attacker must have valid administrative credentials on an affected device. This...

PT-2026-23027

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software affected versions not specified Description A flaw exists in the VPN web services component that may allow a remote attacker t...

CVE-2026-20069: Inconsistent Interpretation of HTTP Requests

A vulnerability in the VPN web services component of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct browser-based attacks against users of an affected device. This...

CVE-2026-20015: Missing Release of Memory after Effective Lifetime

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device that may impact the availability of services to devices elsewhere in the network. This...

PT-2026-22981

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of service DoS condition to n...

CVE-2026-20103: Allocation of Resources Without Limits or Throttling

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to exhaust device memory resulting in a denial of service DoS condition to n...

CVE-2026-20102: Improper Neutralization of Input During Web Page Generation

A vulnerability in the SAML 2.0 single sign-on SSO feature of Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against the SAML feature and access sensitive,...

CVE-2026-20105: Missing Release of Memory after Effective Lifetime

A vulnerability in the Remote Access SSL VPN functionality of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with a valid VPN connection to exhaust device memory resulting in a denial of...

CVE-2026-20100: Buffer Copy without Checking Size of Input

A vulnerability in the LUA interperter of the Remote Access SSL VPN feature of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an authenticated, remote attacker with a valid VPN connection to cause the device to reload...

CVE-2026-20013: Missing Release of Memory after Effective Lifetime

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device that may also impact the availability of services to devices elsewhere in the network. This...

PT-2026-22971

A vulnerability in the IKEv2 feature of Cisco Secure Firewall ASA Software and Cisco Secure FTD Software could allow an unauthenticated, remote attacker to cause a DoS condition on an affected device that may also impact the availability of services to devices elsewhere in the network. This...