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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database

Vulnerability Change Records for CVE-2023-20275

Change History

New CVE Received from Cisco Systems, Inc. 12/12/2023 1:15:16 PM

Action Type Old Value New Value
Added Description 

								
							
							
								
							
						
								
							
								
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 validation of the packet's 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 to send a packet impersonating another VPN user's IP address. It is not possible for the attacker to receive return packets.

								
								
					

					

						Added
						CVSS V3.1
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cisco Systems, Inc. AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N

								
								
					

					

						Added
						Reference
						
							
							
								
							
								

								
							
							
								
							
						
								
							
								
Cisco Systems, Inc. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ssl-vpn-Y88QOm77 [No types assigned]