CVE-2021-0225 MEDIUM

CVE-2021-0225: Junos OS Evolved: Stateless IP firewall filter does not work as expected

Vendor Juniper Networks
Product Junos OS Evolved
Weakness CWE-754
Published April 22, 2021
Last update September 16, 2024
View on NVD All CVEs

CVSS base score

5.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

What the vulnerability does

01Description

An Improper Check for Unusual or Exceptional Conditions in Juniper Networks Junos OS Evolved may cause the stateless firewall filter configuration which uses the action 'policer' in certain combinations with other options to not take effect. An administrator can use the following CLI command to see the failures with filter configuration: user@device> show log kfirewall-agent.log | match ERROR Jul 23 14:16:03 ERROR: filter not supported This issue affects Juniper Networks Junos OS Evolved: Versions 19.1R1-EVO and above prior to 20.3R1-S2-EVO, 20.3R2-EVO. This issue does not affect Juniper Networks Junos OS.

Key dates

02Disclosure timeline

April 22, 2021 CVE published
September 16, 2024 Record updated