SB2021041633 - Denial of service in Juniper Junos OS



SB2021041633 - Denial of service in Juniper Junos OS

Published: April 16, 2021

Security Bulletin ID SB2021041633
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2021-0224)

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

The vulnerability exists due to insufficient validation of user-supplied input in the Access Node Control Protocol daemon (ANCPD) when hitting maximum-discovery-table-entries limit. A remote attacker on the local network can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.