cisco-sa-nxos-pim-dos-Y8SjMz4: Cisco NX-OS Software Protocol Independent Multicast Denial of Service Vulnerability

Published Feb 24, 2021
·
Updated

A vulnerability in the Protocol Independent Multicast (PIM) feature of Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a crafted PIM packet to an affected device. A successful exploit could allow the attacker to cause a traffic loop, resulting in a DoS condition. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-nxos-pim-dos-Y8SjMz4

Credit

This vulnerability was found during the resolution(a Cisco TAC support case)

Affected Software

1 affected component
Cisco NX-OS Software

Event History

Feb 24, 2021
Advisory Published
04:00 PM
Data Sourced
04:00 PM
DescriptionSeverityWeaknessAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the severity of cisco-sa-nxos-pim-dos-Y8SjMz4?

The severity of cisco-sa-nxos-pim-dos-Y8SjMz4 is classified as high due to its potential to cause a denial of service.

2

How do I fix cisco-sa-nxos-pim-dos-Y8SjMz4?

To fix cisco-sa-nxos-pim-dos-Y8SjMz4, it is recommended to apply the latest patches or updates provided by Cisco.

3

What causes the vulnerability cisco-sa-nxos-pim-dos-Y8SjMz4?

The vulnerability cisco-sa-nxos-pim-dos-Y8SjMz4 is caused by insufficient input validation in the Protocol Independent Multicast feature.

4

Who is affected by cisco-sa-nxos-pim-dos-Y8SjMz4?

Devices running Cisco NX-OS Software that utilize the Protocol Independent Multicast feature are affected by cisco-sa-nxos-pim-dos-Y8SjMz4.

5

Can cisco-sa-nxos-pim-dos-Y8SjMz4 be exploited remotely?

No, cisco-sa-nxos-pim-dos-Y8SjMz4 requires an unauthenticated, adjacent attacker to exploit the vulnerability.

Contact

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