CWE
754
Advisory Published
Updated

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

First published: Thu Apr 22 2021(Updated: )

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.

Credit: sirt@juniper.net

Affected SoftwareAffected VersionHow to fix
Juniper Junos Os Evolved=19.1-r1
Juniper Junos Os Evolved=19.1-r2
Juniper Junos Os Evolved=19.2-r1
Juniper Junos Os Evolved=19.2-r2
Juniper Junos Os Evolved=19.3-r1
Juniper Junos Os Evolved=19.3-r2
Juniper Junos Os Evolved=20.1-r1
Juniper Junos Os Evolved=20.1-r1-s1
Juniper Junos Os Evolved=20.2-r1
Juniper Junos Os Evolved=20.2-r1-s1
Juniper Junos Os Evolved=20.3-r1
Juniper Junos Os Evolved=20.3-r1-s1

Remedy

The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 20.3R1-S2-EVO, 20.3R2-EVO, 20.4R1-EVO, and all subsequent releases.

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203