CVE-2025-52989

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.

Reserved 2025-06-23 | Published 2025-07-11 | Updated 2025-07-11 | Assigner juniper

Problem types

CWE-140 Improper Neutralization of Delimiters

Product status

Default status
unaffected

Any version before 22.2R3-S7
affected

22.4 before 22.4R3-S7
affected

23.2 before 23.2R2-S4
affected

23.4 before 23.4R2-S4
affected

24.2 before 24.2R2-S1
affected

24.4 before 24.4R1-S2, 24.4R2
affected

Default status
unaffected

Any version before 22.4R3-S7-EVO
affected

23.2-EVO before 23.2R2-S4-EVO
affected

23.4-EVO before 23.4R2-S5-EVO
affected

24.2-EVO before 24.2R2-S1-EVO
affected

24.4-EVO before 24.4R2-EVO
affected

Credits

Vincent Szurma (vszurma) – Independent IT and Security Consultant finder

References

supportportal.juniper.net/JSA100096 vendor-advisory

cve.org (CVE-2025-52989)

nvd.nist.gov (CVE-2025-52989)

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