CVE-2018-0005: Juniper Junos

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

QFX and EX Series switches configured to drop traffic when the MAC move limit is exceeded will forward traffic instead of dropping traffic. This can lead to denials of services or other unintended conditions. Affected releases are Juniper Networks Junos OS: 14.1X53 versions prior to 14.1X53-D40; 15.1X53 versions prior to 15.1X53-D55; 15.1 versions prior to 15.1R7.

Affected products

• Juniper Junos: version 14.1x53 only; version 15.1 only; version 15.1x53 only

Published 2018-01-10. Last modified 2026-06-17.