SB2021071916 - Denial of servce in Juniper QFX 5000 Series



SB2021071916 - Denial of servce in Juniper QFX 5000 Series

Published: July 19, 2021

Security Bulletin ID SB2021071916
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) Resource exhaustion (CVE-ID: CVE-2021-0285)

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

The vulnerability exists due to application does not properly control consumption of internal resources when processing a large amounts of legitimate traffic destined to the device. A remote attacker cause Interchassis Control Protocol (ICCP) interruptions leading to an unstable control connection between the MC-LAG nodes which can in turn lead to traffic loss.

The vulnerability affects QFX 5000 Series.


Remediation

Install update from vendor's website.