CVE-2025-52954
Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Junos OS Evolved: A low-privileged user can execute arbitrary Junos commands and modify the configuration, thereby compromising the system
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.
- Record
CVE-2025-52954- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
EUVDEUVD-2025-21161
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.
- Record
EUVD-2025-21161- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m3w7-vqq8-286x
A Missing Authorization vulnerability in the internal virtual routing and forwarding (VRF) of...
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.
- Record
GHSA-m3w7-vqq8-286x- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-52954- CVSS 4.0
- 8.5 High
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-52954 is a high vulnerability (CVSS 8.5) in Juniper Junos Os Evolved, published July 11, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.17%, the 6th percentile. No source names a fixed version.