High severity · published Jul 11, 2025
CVE-2025-52954
Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
A Missing Authorization vulnerability in the internal virtual routing and forwarding (VRF) of Juniper Networks Junos OS Evolved allows a local, low-privileged user to gain root privileges, leading to a system compromise.
Any low-privileged user with the capability to send packets over the internal VRF can execute arbitrary Junos commands and modify the configuration, and thus compromise the system.
This issue affects Junos OS Evolved:
* All versions before 22.2R3-S7-EVO,
* from 22.4 before 22.4R3-S7-EVO,
* from 23.2 before 23.2R2-S4-EVO,
* from 23.4 before 23.4R2-S5-EVO,
* from 24.2 before 24.2R2-S1-EVO
* from 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS Evolved · Juniper Networks
before 22.2R3-S7-EVO; 22.4 before 22.4R3-S7-EVO; 23.2 before 23.2R2-S4-EVO; 23.4 before 23.4R2-S5-EVO; 24.2 before 24.2R2-S1-EVO; 24.4 before 24.4R1-S2-EVO, 24.4R2-EVO · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-52954
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-52954
Vendor Advisory
https://supportportal.juniper.net/JSA100060
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