cbcvebase.
CVE-2021-34790
published 2021-10-27

CVE-2021-34790: Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA)…

medium5.3CVSS 3.1
AVNACLPRNUINSUCNILAN
Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the ALG and open unauthorized connections with a host located behind the ALG. For more information about these vulnerabilities, see the Details section of this advisory. Note: These vulnerabilities have been publicly discussed as NAT Slipstreaming.

Affected

25 ranges
VendorProductVersion rangeFixed in
ciscoadaptive_security_appliance< 9.8.4.409.8.4.40
ciscoadaptive_security_appliance
ciscoadaptive_security_appliance_software>= 9.12.0 < 9.12.4.299.12.4.29
ciscoadaptive_security_appliance_software>= 9.13.0 < 9.14.2.159.14.2.15
ciscoadaptive_security_appliance_software>= 9.15.0 < 9.15.1.159.15.1.15
ciscoasa_5505_firmware
ciscoasa_5505_firmware
ciscoasa_5512-x_firmware
ciscoasa_5512-x_firmware
ciscoasa_5515-x_firmware
ciscoasa_5515-x_firmware
ciscoasa_5525-x_firmware
ciscoasa_5525-x_firmware
ciscoasa_5545-x_firmware
ciscoasa_5545-x_firmware
ciscoasa_5555-x_firmware
ciscoasa_5555-x_firmware
ciscoasa_5580_firmware
ciscoasa_5580_firmware
ciscoasa_5585-x_firmware
ciscoasa_5585-x_firmware
ciscocisco_adaptive_security_appliance_software
ciscofirepower_threat_defense< 6.4.0.126.4.0.12
ciscofirepower_threat_defense>= 6.5.0 < 6.6.56.6.5
ciscofirepower_threat_defense>= 6.7.0 < 6.7.0.26.7.0.2