CVE-2024-39520
HIGHJunos OS Evolved Privilege Escalation to Root via CLI Command Injection
Title source: llmDescription
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 version before 20.4R3-S6-EVO, * 21.2-EVO versions before 21.2R3-S4-EVO, * 21.4-EVO versions before 21.4R3-S6-EVO, * 22.2-EVO versions before 22.2R2-S1-EVO, 22.2R3-EVO, * 22.3-EVO versions before 22.3R2-EVO.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://supportportal.juniper.net/JSA82975
Scores
CVSS v3
7.8
EPSS
0.0018
EPSS Percentile
38.9%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-78
Status
published
Products (6)
juniper/junos_os_evolved
20.4 (14 CPE variants)
juniper/junos_os_evolved
21.2 (12 CPE variants)
juniper/junos_os_evolved
21.4 (13 CPE variants)
juniper/junos_os_evolved
22.2 (4 CPE variants)
juniper/junos_os_evolved
22.3 (4 CPE variants)
juniper/junos_os_evolved
< 20.4
Published
Jul 11, 2024
Tracked Since
Feb 18, 2026