CVE-2025-52954: juniper networks junos os evolved Missing Authorization
Vulnerability summary
CVE-2025-52954 is a high (CVSS 8.5) Missing Authorization vulnerability in juniper networks junos os evolved. EPSS estimates a 0.17% chance of exploitation in the next 30 days, higher than 6.1% of scored vulnerabilities.
Timeline
- 11-07-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
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 metrics
4 scores · 2 sources · 2 versions- NVDNIST8.5HighCVSS: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
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.17%
Chance of exploitation in the next 30 days
Percentile
6%
Versus all other CVEs
30-day change
+0.02 pp
From 0.15% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Juniper1 product
- junos_os_evolved< 22.2 | 22.2 | 22.2:r1 | 22.2:r1-s1 | 22.2:r1-s2 | 22.2:r2 | 22.2:r2-s1 | 22.2:r2-s2 | 22.2:r3 | 22.2:r3-s1 | 22.2:r3-s2 | 22.2:r3-s3 | 22.2:r3-s4 | 22.2:r3-s5 | 22.2:r3-s6 | 22.4 | 22.4:r1 | 22.4:r1-s1 | 22.4:r1-s2 | 22.4:r2 | 22.4:r2-s1 | 22.4:r2-s2 | 22.4:r3 | 22.4:r3-s1 | 22.4:r3-s2 | 22.4:r3-s3 | 22.4:r3-s4 | 22.4:r3-s5 | 22.4:r3-s6 | 23.2 | 23.2:r1 | 23.2:r1-s1 | 23.2:r1-s2 | 23.2:r2 | 23.2:r2-s1 | 23.2:r2-s2 | 23.2:r2-s3 | 23.4 | 23.4:r1 | 23.4:r1-s1 | 23.4:r1-s2 | 23.4:r2 | 23.4:r2-s1 | 23.4:r2-s2 | 23.4:r2-s3 | 23.4:r2-s4 | 24.2 | 24.2:r1 | 24.2:r1-s2 | 24.2:r2 | 24.4 | 24.4:r1 | 24.4:r2
Juniper networks1 product
- junos os evolved< 22.2R3-S7-EVO | ≥ 22.4, < 22.4R3-S7-EVO | ≥ 23.2, < 23.2R2-S4-EVO | ≥ 23.4, < 23.4R2-S5-EVO | ≥ 24.2, < 24.2R2-S1-EVO | ≥ 24.4, < 24.4R1-S2-EVO, 24.4R2-EVO
2 vendors · 2 products
References
1 links- supportportal.juniper.net/JSA100060Vendor Advisory