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

Published 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 Software

3 affected components
Cisco NX-OS Software
Cisco Nexus 3000 Series Switches
Cisco Nexus 9000 Series Switches

Event History

Aug 23, 2023
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeakness

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

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.

2

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.

3

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.

4

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.

5

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.

Contact

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