CWE
788
Advisory Published

cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb: Cisco Nexus 3000 and 9000 Series Switches IS-IS Protocol Denial of Service Vulnerability

First published: Wed Aug 23 2023(Updated: )

A vulnerability in the Intermediate System-to-Intermediate System (IS-IS) protocol of Cisco NX-OS Software for the Cisco Nexus 3000 Series Switches and Cisco Nexus 9000 Series Switches in standalone NX-OS mode could allow an unauthenticated, adjacent attacker to cause the IS-IS process to

Affected SoftwareAffected VersionHow to fix
Cisco NX-OS
Cisco Nexus Series
Cisco Nexus 9000 Series Application Centric Infrastructure (ACI) Mode Switch Software

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb?

    The vulnerability cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb is rated as critical, allowing for potential denial of service.

  • How do I fix cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb?

    To fix the vulnerability cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb, apply the latest software patch provided by Cisco.

  • Who is affected by cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb?

    The vulnerability cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb affects Cisco NX-OS Software running on Nexus 3000 and 9000 Series Switches.

  • What can an attacker do with cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb?

    An unauthenticated, adjacent attacker can exploit cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb to cause a denial of service on affected devices.

  • When was cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb disclosed?

    The vulnerability cisco-sa-nxos-n3_9k-isis-dos-FTCXB4Vb was disclosed as part of a security advisory by Cisco.

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