Juniper Junos CVE-2019-0064 Denial of Service Vulnerability



Date Discovered

October 9, 2019


Juniper Junos is prone to a denial-of-service vulnerability. An attacker may exploit this issue to cause denial-of-service conditions. The following versions of Juniper Junos are affected: Juniper Junos 18.2R3 for SRX 5000 Series platform. Juniper Junos 18.4R2 for SRX 5000 Series platform. Juniper Junos 19.2R1 for SRX 5000 Series platform.

Technologies Affected

  • Juniper Junos 18.2R3
  • Juniper Junos 18.4R2
  • Juniper Junos 19.2R1
  • Juniper SRX5000 Series


Block external access at the network boundary, unless external parties require service.
If global access isn't needed, block access at the network perimeter to computers hosting the vulnerable device.

Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity such as unexplained incoming and outgoing traffic. This may indicate exploit attempts or activity that results from successful exploits.

Updates are available. Please see the references or vendor advisory for more information.



The vendor reported this issue.

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