FKIE_CVE-2021-34790

Vulnerability from fkie_nvd - Published: 2021-10-27 19:15 - Updated: 2024-11-21 06:11
Severity ?
4.7 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
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.
References
psirt@cisco.comhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-natalg-bypass-cpKGqkngVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-natalg-bypass-cpKGqkngVendor Advisory
Impacted products
Vendor Product Version
cisco adaptive_security_appliance *
cisco firepower_threat_defense *
cisco firepower_threat_defense *
cisco firepower_threat_defense *
cisco adaptive_security_appliance_software *
cisco adaptive_security_appliance_software *
cisco adaptive_security_appliance_software *
cisco asa_5512-x_firmware 009.008
cisco asa_5512-x_firmware 009.015
cisco asa_5512-x -
cisco asa_5505_firmware 009.008
cisco asa_5505_firmware 009.015
cisco asa_5505 -
cisco asa_5515-x_firmware 009.008
cisco asa_5515-x_firmware 009.015
cisco asa_5515-x -
cisco asa_5525-x_firmware 009.008
cisco asa_5525-x_firmware 009.015
cisco asa_5525-x -
cisco asa_5545-x_firmware 009.008
cisco asa_5545-x_firmware 009.015
cisco asa_5545-x -
cisco asa_5555-x_firmware 009.008
cisco asa_5555-x_firmware 009.015
cisco asa_5555-x -
cisco asa_5580_firmware 009.008
cisco asa_5580_firmware 009.015
cisco asa_5580 -
cisco asa_5585-x_firmware 009.008
cisco asa_5585-x_firmware 009.015
cisco asa_5585-x -
To clipboard 

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  "id": "CVE-2021-34790",
  "lastModified": "2024-11-21T06:11:12.577",
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  "published": "2021-10-27T19:15:08.400",
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.