CVE-2024-39523 Information

Description

An Improper Neutralization of Special Elements vulnerability in Juniper Networks Junos OS Evolved commands allows a local authenticated attacker with low privileges to escalate their privileges to ‘root’ leading to a full compromise of the system.

The Junos OS Evolved CLI doesn’t properly handle command options in some cases allowing users which execute specific CLI commands with a crafted set of parameters to escalate their privileges to root on shell level.

This issue affects Junos OS Evolved: 

All versions before 20.4R3-S7-EVO
21.2-EVO versions before 21.2R3-S8-EVO
21.4-EVO versions before 21.4R3-S7-EVO
22.1-EVO versions before 22.1R3-S6-EVO 
22.2-EVO versions before 22.2R3-EVO
22.3-EVO versions before 22.3R2-EVO
22.4-EVO versions before 22.4R2-EVO.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://supportportal.juniper.net/JSA82975

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8