SB2021041634 - Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS Evolved



SB2021041634 - Improper Check for Unusual or Exceptional Conditions in Juniper Junos OS Evolved

Published: April 16, 2021

Security Bulletin ID SB2021041634
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2021-0225)

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the stateless IP firewall filter does not work as expected. A remote attacker can cause the stateless firewall filter configuration which uses the action "policer" in certain combinations with other options to not take effect.


Remediation

Install update from vendor's website.