CVE-2024-20485

A vulnerability in the VPN web server of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an authenticated, local attacker to execute arbitrary code with root-level privileges. Administrator-level privileges are required to exploit this...

CVE-2024-20481

A vulnerability in the Remote Access VPN RAVPN service 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 of the RAVPN service. This vulnerability is due to resource...

CVE-2024-20481

A vulnerability in the Remote Access VPN RAVPN service 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 of the RAVPN service. This vulnerability is due to resource...

CVE-2024-20481

The CVE-2024-20481 entry concerns Cisco ASA/FTD Remote Access VPN (RAVPN) DoS from resource exhaustion. Affected components: ASA and FTD software; vulnerability arises when an unauthenticated, remote attacker sends a flood of VPN authentication requests, exhausting device resources and potentiall...

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...

CVE-2024-20402

A vulnerability in the SSL VPN feature for Cisco Adaptive Security Appliance ASA Software and Cisco Firepower 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...

CVE-2024-20402

CVE-2024-20402 affects Cisco ASA (SSL VPN) and Cisco FTD (SSL VPN) where a logic error in SSL VPN memory management can be exploited by unauthenticated remote attackers to cause the device to reload, leading to a DoS. Affected components: SSL VPN handling on ASA/FTD software. Root cause: memory-m...

CVE-2024-20402

A vulnerability in the SSL VPN feature for Cisco Adaptive Security Appliance ASA Software and Cisco Firepower 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...

CVE-2024-20382

A vulnerability in the VPN web client services feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a browser that is accessing an affected...

CVE-2024-20331

A vulnerability in the session authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to prevent users from authenticating. This vulnerabili...

CVE-2024-20260

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-2024-20331 Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Authentication DoS Vulnerability

A vulnerability in the session authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to prevent users from authenticating. This vulnerabili...

CVE-2024-20331 Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Authentication DoS Vulnerability

A vulnerability in the session authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to prevent users from authenticating. This vulnerabili...

CVE-2024-20331

The CVE-2024-20331 entry describes a denial-of-service scenario in the Cisco ASA VPN and Firepower Threat Defense (FTD) Remote Access SSL VPN session authentication. Root cause: insufficient entropy in the authentication process, enabling an unauthenticated, remote attacker to determine an authen...

CVE-2024-20260 Cisco Adaptive Security Virtual Appliance and Secure Firewall Threat Defense Virtual SSL VPN Denial of Service Vulnerability

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-2024-20260

CVE-2024-20260 affects Cisco ASAv and Cisco Secure Firewall Threat Defense Virtual (FTDv). The vulnerability arises from improper memory management for new incoming SSL/TLS connections on the virtual platforms, allowing an unauthenticated remote attacker to exhaust system memory and cause Denial ...

CVE-2024-20260 Cisco Adaptive Security Virtual Appliance and Secure Firewall Threat Defense Virtual SSL VPN Denial of Service Vulnerability

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...

Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Web Client Services Cross-Site Scripting Vulnerabilities

Multiple vulnerabilities in the VPN web client services feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting XSS attack against a browser that is accessing an...

Cisco Adaptive Security Appliance and Firepower Threat Defense Software Remote Access SSL VPN Authentication Targeted Denial of Service Vulnerability

A vulnerability in the session authentication functionality of the Remote Access SSL VPN feature of Cisco Adaptive Security Appliance ASA Software and Cisco Firepower Threat Defense FTD Software could allow an unauthenticated, remote attacker to prevent users from authenticating. This vulnerabili...

Cisco Adaptive Security Appliance and Firepower Threat Defense Software IKEv2 VPN Denial of Service Vulnerability

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...