CWE
290
Advisory Published
Updated

CVE-2024-20384

First published: Wed Oct 23 2024(Updated: )

A vulnerability in the Network Service Group (NSG) feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass a configured access control list (ACL) and allow traffic that should be denied to flow through an affected device. This vulnerability is due to a logic error that occurs when NSG ACLs are populated on an affected device. An attacker could exploit this vulnerability by establishing a connection to the affected device. A successful exploit could allow the attacker to bypass configured ACL rules.

Credit: ykramarz@cisco.com

Affected SoftwareAffected VersionHow to fix
Cisco Adaptive Security Appliance Software
Cisco Firepower Threat Defense

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Frequently Asked Questions

  • What is the severity of CVE-2024-20384?

    CVE-2024-20384 has been assigned a high severity rating due to its potential to allow unauthorized access to restricted network traffic.

  • How do I fix CVE-2024-20384?

    To mitigate CVE-2024-20384, it is recommended to update to the latest version of Cisco Adaptive Security Appliance (ASA) Software or Cisco Firepower Threat Defense (FTD) Software that addresses this vulnerability.

  • Who is affected by CVE-2024-20384?

    CVE-2024-20384 affects users of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software that utilize the Network Service Group feature.

  • What is the impact of CVE-2024-20384?

    The impact of CVE-2024-20384 allows an unauthenticated remote attacker to bypass configured access control lists, leading to unauthorized access to network traffic.

  • Is there a workaround for CVE-2024-20384?

    Currently, the recommended course of action for CVE-2024-20384 is to apply vendor patches rather than relying on workarounds.

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