Vulnerability Bulletins

Cisco Adaptive Security Appliance and Firepower Threat Defense Software VPN Packet Validation Vulnerability

System information

Affected software Cisco


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 users source IP address. This vulnerability is due to improper validation of the packets inner source IP address after decryption. An attacker could exploit this vulnerability by sending crafted packets through the tunnel. A successful exploit could allow the attacker

More info:

Standar resources

Property Value
CVE CVE-2023-20275.

Version history

Version Comments Date
Ministerio de Defensa