CVE-2025-52954

Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system

Description

A Missing Authorization vulnerability in the internal virtual routing and forwarding (VRF) of Juniper Networks Junos OS Evolved allows a local, low-privileged user to gain root privileges, leading to a system compromise. Any low-privileged user with the capability to send packets over the internal VRF can execute arbitrary Junos commands and modify the configuration, and thus compromise the system.  This issue affects Junos OS Evolved:  * All versions before 22.2R3-S7-EVO,  * from 22.4 before 22.4R3-S7-EVO,  * from 23.2 before 23.2R2-S4-EVO,  * from 23.4 before 23.4R2-S5-EVO,  * from 24.2 before 24.2R2-S1-EVO * from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.

Remediation

Solution:

  • The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R1-S2-EVO, 24.4R2-EVO, 25.2R1-EVO and all subsequent releases.

Workaround:

  • Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators. Grant shell and network permissions only to trusted users.

Category

8.5
CVSS
Severity: High
CVSS 4.0 •
CVSS 3.1 •
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-52954?
CVE-2025-52954 has been scored as a high severity vulnerability.
How to fix CVE-2025-52954?
To fix CVE-2025-52954: The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 22.2R3-S7-EVO, 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R1-S2-EVO, 24.4R2-EVO, 25.2R1-EVO and all subsequent releases.
Is CVE-2025-52954 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-52954 is being actively exploited.
What software or system is affected by CVE-2025-52954?
CVE-2025-52954 affects Juniper Networks Junos OS Evolved.
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