SB2021072018 - Denial of service in Juniper Networks Junos OS



SB2021072018 - Denial of service in Juniper Networks Junos OS

Published: July 20, 2021

Security Bulletin ID SB2021072018
CSH 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 vulnerability.


1) Improper Initialization (CVE-ID: CVE-2021-0280)

CWE-ID: CWE-665 - Improper Initialization

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to improper initialization in Junos OS on PTX platforms and QFX10K Series with Paradise (PE) chipset-based line cards. A remote attacker can send specially crafted packets and cause a denial of service condition on the target system.


Remediation

Install update from vendor's website.