QID 317417

Date Published: 2024-03-07

QID 317417: Cisco Nexus Operating System (NX-OS) Software External Border Gateway Protocol (BGP) Denial of Service (DoS) Vulnerability (cisco-sa-nxos-ebgp-dos-L3QCwVJ)

A vulnerability in the External Border Gateway Protocol (eBGP) implementation of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

Affected Products
This vulnerability affects Cisco Nexus 3600 Series Switches and Cisco Nexus 9500 R-Series Line Cards if they are running a vulnerable release of Cisco NX-OS Software

A successful exploit could allow the attacker to cause eBGP neighbor sessions to be dropped, leading to a DoS condition in the network.

  • CVSS V3 rated as Critical - 8.6 severity.
  • CVSS V2 rated as High - 7.5 severity.
  • Solution

    Customers are advised to refer to cisco-sa-nxos-ebgp-dos-L3QCwVJ for more information.

    CVEs related to QID 317417

    Software Advisories
    Advisory ID Software Component Link
    cisco-sa-nxos-ebgp-dos-L3QCwVJ URL Logo sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-ebgp-dos-L3QCwVJ