CVE-2021-34790
published 2021-10-27CVE-2021-34790: Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA)…
PriorityP430medium5.3CVSS 3.1
AVNACLPRNUINSUCNILAN
EPSS
1.10%
62.0th percentile
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
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| cisco | adaptive_security_appliance | < 9.8.4.40 | 9.8.4.40 |
| cisco | adaptive_security_appliance | — | — |
| cisco | adaptive_security_appliance_software | >= 9.12.0 < 9.12.4.29 | 9.12.4.29 |
| cisco | adaptive_security_appliance_software | >= 9.13.0 < 9.14.2.15 | 9.14.2.15 |
| cisco | adaptive_security_appliance_software | >= 9.15.0 < 9.15.1.15 | 9.15.1.15 |
| cisco | asa_5505_firmware | — | — |
| cisco | asa_5505_firmware | — | — |
| cisco | asa_5512-x_firmware | — | — |
| cisco | asa_5512-x_firmware | — | — |
| cisco | asa_5515-x_firmware | — | — |
| cisco | asa_5515-x_firmware | — | — |
| cisco | asa_5525-x_firmware | — | — |
| cisco | asa_5525-x_firmware | — | — |
| cisco | asa_5545-x_firmware | — | — |
| cisco | asa_5545-x_firmware | — | — |
| cisco | asa_5555-x_firmware | — | — |
| cisco | asa_5555-x_firmware | — | — |
| cisco | asa_5580_firmware | — | — |
| cisco | asa_5580_firmware | — | — |
| cisco | asa_5585-x_firmware | — | — |
| cisco | asa_5585-x_firmware | — | — |
| cisco | cisco_adaptive_security_appliance_software | — | — |
| cisco | firepower_threat_defense | < 6.4.0.12 | 6.4.0.12 |
| cisco | firepower_threat_defense | >= 6.5.0 < 6.6.5 | 6.6.5 |
| cisco | firepower_threat_defense | >= 6.7.0 < 6.7.0.2 | 6.7.0.2 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:P/A:N
vendor_cisco4.7MEDIUM
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Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities
vendor_cisco·2021-10-27·CVSS 4.7
CVE-2021-34790 [MEDIUM] CWE-358 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities
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.
Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.
This advisory is availabl
Cisco
Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities
vendor_cisco·CVSS 3.1
CVE-2021-34790 Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities
CVE-2021-34790: Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Application Level Gateway Bypass Vulnerabilities
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
CVSS: 3.1
CWE: CWE-358, CWE-358
Bug IDs: CSCvw35444, CSCvx50914, CSCvw35444, CSCvx50914
GHSA
GHSA-g7jg-fgxx-4vv5: Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance
ghsa_unreviewed·2022-05-24
CVE-2021-34790 [MEDIUM] CWE-20 GHSA-g7jg-fgxx-4vv5: Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-10-27
Published