CVE-2017-2341: Juniper Junos

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

An insufficient authentication vulnerability on platforms where Junos OS instances are run in a virtualized environment, may allow unprivileged users on the Junos OS instance to gain access to the host operating environment, and thus escalate privileges. Affected releases are Juniper Networks Junos OS 14.1X53 prior to 14.1X53-D40 on QFX5110, QFX5200, QFX10002, QFX10008, QFX10016, EX4600 and NFX250; 15.1 prior to 15.1R5 on EX4600; 15.1X49 prior to 15.1X49-D70 on vSRX, SRX1500, SRX4100, SRX4200; 16.1 prior to 16.1R2 on EX4600, ACX5000 series. This issue does not affect vMX. No other Juniper Networks products or platforms are affected by this issue.

Affected products

• Juniper Junos: version 14.1x53 only; version 14.1x53-d10 only; version 14.1x53-d15 only; version 14.1x53-d25 only; version 14.1x53-d26 only; version 14.1x53-d27 only; …

Published 2017-07-17. Last modified 2026-06-17.