QID 730060

QID 730060: Cisco Nexus 9000 Series Fabric Switches ACI Mode Link Layer Discovery Protocol Port Denial of Service Vulnerability(cisco-sa-apic-lldap-dos-WerV9CFj)

A vulnerability in the Link Layer Discovery Protocol (LLDP) for Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode could allow an unauthenticated, adjacent attacker to disable switching on a small form-factor pluggable (SFP) interface.

A successful exploit could allow the attacker to disable switching on the SFP interface, which could disrupt network traffic.

CVSS V3 rated as Medium - 4.7 severity.

CVSS V2 rated as Low - 2.9 severity.

Solution

Customers are advised to refer to cisco-sa-apic-lldap-dos-WerV9CFj for more information.

Vendor References

cisco-sa-apic-lldap-dos-WerV9CFj - tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apic-lldap-dos-WerV9CFj

CVEs related to QID 730060

CVE-2021-1231 |

Software Advisories

Advisory ID	Software	Component	Link
cisco-sa-apic-lldap-dos-WerV9CFj			tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apic-lldap-dos-WerV9CFj

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