CVE-2021-34790

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.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:cisco:adaptive_security_appliance:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:a:cisco:firepower_threat_defense:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*
cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
OR cpe:2.3:o:cisco:asa_5512-x_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5512-x_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5512-x:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
OR cpe:2.3:o:cisco:asa_5505_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5505_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5505:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
OR cpe:2.3:o:cisco:asa_5515-x_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5515-x_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5515-x:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
OR cpe:2.3:o:cisco:asa_5525-x_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5525-x_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5525-x:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
OR cpe:2.3:o:cisco:asa_5545-x_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5545-x_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5545-x:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
OR cpe:2.3:o:cisco:asa_5555-x_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5555-x_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5555-x:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
OR cpe:2.3:o:cisco:asa_5580_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5580_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5580:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
OR cpe:2.3:o:cisco:asa_5585-x_firmware:009.008:*:*:*:*:*:*:*
cpe:2.3:o:cisco:asa_5585-x_firmware:009.015:*:*:*:*:*:*:*
cpe:2.3:h:cisco:asa_5585-x:-:*:*:*:*:*:*:*

History

21 Nov 2024, 06:11

Type Values Removed Values Added
References () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-natalg-bypass-cpKGqkng - Vendor Advisory () https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-natalg-bypass-cpKGqkng - Vendor Advisory
CVSS v2 : 5.0
v3 : 5.3
v2 : 5.0
v3 : 4.7

16 Aug 2023, 16:17

Type Values Removed Values Added
First Time Cisco adaptive Security Appliance Software
CPE cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*

Information

Published : 2021-10-27 19:15

Updated : 2024-11-21 06:11


NVD link : CVE-2021-34790

Mitre link : CVE-2021-34790

CVE.ORG link : CVE-2021-34790


JSON object : View

Products Affected

cisco

  • adaptive_security_appliance
  • asa_5545-x
  • adaptive_security_appliance_software
  • asa_5585-x
  • asa_5512-x
  • asa_5515-x_firmware
  • asa_5505
  • asa_5512-x_firmware
  • asa_5555-x_firmware
  • asa_5555-x
  • asa_5580_firmware
  • asa_5525-x_firmware
  • asa_5545-x_firmware
  • asa_5525-x
  • asa_5580
  • asa_5585-x_firmware
  • asa_5505_firmware
  • asa_5515-x
  • firepower_threat_defense
CWE
CWE-358

Improperly Implemented Security Check for Standard

CWE-20

Improper Input Validation