QID 317419

Date Published: 2024-03-26

QID 317419: Cisco Nexus 3000 and 9000 Series Switches Port Channel Access Control List (ACL) Programming Vulnerability (cisco-sa-nxos-po-acl-TkyePgvL)

A vulnerability in the access control list (ACL) programming for port channel subinterfaces of Cisco Nexus 3000 and 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated remote attacker to send traffic that should be blocked through an affected device.

Affected Products
Cisco Nexus 3000 and 9000 Series Switches in standalone NX-OS mode if they were running Cisco NX-OS Software Release 9.3(10), 9.3(11), or 9.3(12) and had an ingress ACL configured on at least one port channel sub interface.

QID Detection Logic(Authenticated):
It checks for vulnerable version of Cisco NX-OS using show version Command.
Note: This QID doesn't check for the ACL configuration, hence marked potential

A successful exploit could allow the attacker to access network resources that should be protected by an ACL that was applied on port channel subinterfaces.

  • CVSS V3 rated as Medium - 5.8 severity.
  • CVSS V2 rated as Medium - 4.6 severity.
    • Solution

    Customers are advised to refer to cisco-sa-nxos-po-acl-TkyePgvL for more information.

    Vendor References

    CVEs related to QID 317419

    CVE-2024-20291 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-nxos-po-acl-TkyePgvL URL Logo sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-po-acl-TkyePgvL
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