SB2020082717 - Denial of service in Cisco FXOS, NX-OS Software and Cisco Fabric Services



SB2020082717 - Denial of service in Cisco FXOS, NX-OS Software and Cisco Fabric Services

Published: August 27, 2020

Security Bulletin ID SB2020082717
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) NULL pointer dereference (CVE-ID: CVE-2020-3517)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Cisco Fabric Services component . A remote attacker can send malicious Cisco Fabric Services messages and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.