QID 317416

Date Published: 2024-03-21

QID 317416: Cisco Nexus Operating System NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability (cisco-sa-nxos-lldp-dos-z7PncTgt)

A vulnerability in the Link Layer Discovery Protocol (LLDP) feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.

Affected Products
MDS 9000 Series Multilayer Switches (CSCwf67408)
Nexus 3000 Series Switches (CSCwe86457)
Nexus 5500 Platform Switches (CSCwf67411)
Nexus 5600 Platform Switches (CSCwf67411)
Nexus 6000 Series Switches (CSCwf67411)
Nexus 7000 Series Switches (CSCwf67409)
Nexus 9000 Series Fabric Switches in ACI mode (CSCwi31871)
Nexus 9000 Series Switches in standalone NX-OS mode (CSCwe86457)

QID Detection Logic(Authenticated):
It checks for vulnerable version of Cisco NX-OS using show version Command.

A successful exploit could allow an unauthenticated,adjacent attacker to cause a denial of service (DoS) condition on an affected device..

  • CVSS V3 rated as High - 6.6 severity.
  • CVSS V2 rated as High - 6.5 severity.
    • Solution

    Customers are advised to refer to cisco-sa-nxos-lldp-dos-z7PncTgt

    Vendor References

    CVEs related to QID 317416

    CVE-2024-20294 |
    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-nxos-lldp-dos-z7PncTgt URL Logo sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-lldp-dos-z7PncTgt
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