Support Support Downloads Knowledge Base Case Manager My Juniper Community

Knowledge Base

Search our Knowledge Base sites to find answers to your questions.

Ask All Knowledge Base Sites All Knowledge Base Sites JunosE Defect (KA)Knowledge BaseSecurity AdvisoriesTechnical BulletinsTechnotes Sign in to display secure content and recently viewed articles

[ScreenOS] Are NetScreen devices vulnerable to the OpenSSH v2 "Challenge-Response" (CERT VU#369347) vulnerability?



Article ID: KB3946 KB Last Updated: 27 Sep 2019Version: 4.0

This article talks about status of Netscreen devices with respect to OpenSSH v2 "Challenge-Response" (CERT VU#369347) vulnerability.


NetScreen devices' are not subject to the vulnerability.

The only supported authentication method in NetScreen SSH is password. This specific vulnerability is related to denial of service attack on the SSH2 "challenge-response" auth method,' which is' not applicable to NetScreen's implementation of SSH.

Modification History:
2019-09-27: Minor, non-technical update.
Comment on this article > Affected Products Browse the Knowledge Base for more articles related to these product categories. Select a category to begin.

Getting Up and Running with Junos

Getting Up and Running with Junos Security Alerts and Vulnerabilities Product Alerts and Software Release Notices Problem Report (PR) Search Tool EOL Notices and Bulletins JTAC User Guide Customer Care User Guide Pathfinder SRX High Availability Configurator SRX VPN Configurator Training Courses and Videos End User Licence Agreement Global Search