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OpenAdvisories
High · 7.2 CVE-2025-52983 EUVD-2025-21147GHSA-9cv5-8rg2-7cch

Junos OS: After removing ssh public key authentication root can still log in

Published Jul 11, 2025 · Updated Feb 26, 2026 · Assigned by juniper

Description

A UI Discrepancy for Security Feature

vulnerability in the UI of Juniper Networks Junos OS on VM Host systems allows a network-based, unauthenticated attacker to access the device.

On VM Host Routing Engines (RE), even if the configured public key for root has been removed, remote users which are in possession of the corresponding private key can still log in as root.
This issue affects Junos OS:

* all versions before 22.2R3-S7,
* 22.4 versions before 22.4R3-S5,
* 23.2 versions before 23.2R2-S3,
* 23.4 versions before 23.4R2-S3,
* 24.2 versions before 24.2R1-S2, 24.2R2.

Affected products

VendorProductAffectedFixed
Juniper Networks Junos OS < 22.2R3-S7, 22.4 – < 22.4R3-S5, 23.2 – < 23.2R2-S3, 23.4 – < 23.4R2-S3, 24.2 – < 24.2R1-S2, 24.2R2 22.2R3-S7

Advisories 1

References