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CVE-2025-52983

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

HIGH
7.2
CVSS Score
Published: July 11, 2025 at 03:09 PM UTC
Updated: June 17, 2026 at 09:37 AM UTC
1 product affected across 1 vendorJunos

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Severity
HIGH7.2
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Junos· Juniper Networks
95%
v < 22.2v < 22.2R3-S722.4 ≤ v < 22.4R3-S523.2 ≤ v < 23.2R2-S323.4 ≤ v < 23.4R2-S324.2 ≤ v < 24.2R1-S2, 24.2R222.222.2 r122.2 r1-s122.2 r1-s222.2 r222.2 r2-s122.2 r2-s222.2 r322.2 r3-s122.2 r3-s222.2 r3-s322.2 r3-s422.2 r3-s522.2 r3-s622.422.4 r122.4 r1-s122.4 r1-s222.4 r222.4 r2-s122.4 r2-s222.4 r322.4 r3-s122.4 r3-s222.4 r3-s322.4 r3-s423.223.2 r123.2 r1-s123.2 r1-s223.2 r223.2 r2-s123.2 r2-s223.423.4 r123.4 r1-s123.4 r1-s223.4 r223.4 r2-s123.4 r2-s224.224.2 r124.2 r1-s124.2 r2
Affected range stops below 22.2R3-S7, so it looks safe — our inference, not a vendor statement
Affected range stops below 22.4R3-S5, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.2R2-S3, so it looks safe — our inference, not a vendor statement
Affected range stops below 23.4R2-S3, so it looks safe — our inference, not a vendor statement
Affected range stops below 24.2R1-S2, 24.2R2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://supportportal.juniper.net/JSA100089
Technical Description
Source: [email protected]
https://www.juniper.net/documentation/us/en/software/junos/junos-install-upgrade/topics/topic-map/vm-host-overview.html#id-routing-engines-with-vm-host-support

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.2HIGHjuniper
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-446

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