CVE-2025-52989

Junos OS and Junos OS Evolved: Annotate configuration command can be used to change the configuration

Description

An Improper Neutralization of Delimiters vulnerability in the UI of Juniper Networks Junos OS and Junos OS Evolved allows a local, authenticated attacker with high privileges to modify the system configuration. A user with limited configuration and commit permissions, using a specifically crafted annotate configuration command, can change any part of the device configuration. This issue affects:  Junos OS:  * all versions before 22.2R3-S7, * 22.4 versions before 22.4R3-S7, * 23.2 versions before 23.2R2-S4, * 23.4 versions before 23.4R2-S4, * 24.2 versions before 24.2R2-S1, * 24.4 versions before 24.4R1-S2, 24.4R2; Junos OS Evolved: * all versions before 22.4R3-S7-EVO, * 23.2-EVO versions before 23.2R2-S4-EVO, * 23.4-EVO versions before 23.4R2-S5-EVO,  * 24.2-EVO versions before 24.2R2-S1-EVO * 24.4-EVO versions before 24.4R2-EVO.

Remediation

Solution:

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

Workaround:

  • Use access lists or firewall filters to limit access to the CLI only from trusted hosts and administrators. Utilize CLI authorization to disallow the execution of the 'annotate' command.

Category

6.8
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
Vendor Advisory juniper.net
Affected: Juniper Networks Junos OS
Affected: Juniper Networks Junos OS Evolved
Published at:
Updated at:

References

Link Tags
https://supportportal.juniper.net/JSA100096 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-52989?
CVE-2025-52989 has been scored as a medium severity vulnerability.
How to fix CVE-2025-52989?
To fix CVE-2025-52989: The following software releases have been updated to resolve this specific issue: Junos OS Evolved: 22.4R3-S7-EVO, 23.2R2-S4-EVO, 23.4R2-S5-EVO, 24.2R2-S1-EVO, 24.4R2-EVO, 25.2R1-EVO; Junos OS: 22.2R3-S7, 22.4R3-S7, 23.2R2-S4, 23.4R2-S4, 24.2R2-S1, 24.4R1-S2, 24.4R2, 25.2R1, and all subsequent releases.
Is CVE-2025-52989 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-52989 is being actively exploited.
What software or system is affected by CVE-2025-52989?
CVE-2025-52989 affects Juniper Networks Junos OS, Juniper Networks Junos OS Evolved.
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