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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Juniper Networks | Junos OS | < 22.2R3-S7, 22.4 – < 22.4R3-S7, 23.2 – < 23.2R2-S4, 23.4 – < 23.4R2-S4, 24.2 – < 24.2R2-S1, 24.4 – < 24.4R1-S2, 24.4R2 | 22.2R3-S7 |
| Juniper Networks | Junos OS Evolved | < 22.4R3-S7-EVO, 23.2-EVO – < 23.2R2-S4-EVO, 23.4-EVO – < 23.4R2-S5-EVO, 24.2-EVO – < 24.2R2-S1-EVO, 24.4-EVO – < 24.4R2-EVO | 22.4R3-S7-EVO |
Advisories 1
- WID-SEC-2025-1519 Juniper JUNOS: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Oct 9, 2025
References
- https://supportportal.juniper.net/JSA100096 vendor-advisory