CVE-2016-4922: Junos: Privilege escalation vulnerabilities in Junos CLI

Security readout for executives and security teams

This Junos OS flaw can let someone with access to run certain CLI commands escalate to full control of the network device. For executives, the concern is device takeover from an account that may not already be fully privileged. Affected versions span multiple Junos trains, so legacy routing, switching, or security appliances deserve focused review. Exposure is likely limited to Juniper Networks Junos OS devices running the listed vulnerable releases where users can access the Junos CLI. The provided sources do not identify the exact CLI commands, so exposure should be assessed primarily by software version and account access. Treat this as high priority for Junos devices that still run affected releases, especially core or edge infrastructure. The business risk is unauthorized full device control, but available evidence does not establish active exploitation in the supplied sources. Mitigation focus: Upgrade affected Junos OS releases to the fixed versions listed by Juniper or later.; Review Juniper advisory JSA10763 for any current vendor guidance before remediation.; Restrict Junos CLI access to trusted administrative users until upgrades are complete..

Prepared

May 23, 2026, 09:29 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.