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Vulnerability details

CVE-2026-101967

Juniper Networks Junos OS Evolved

Junos OS Evolved: PTX Series: An attacker controlled DHCP response causes root-level compromise when zero-touch provisioning is used

CVSS 4.0
9.3Critical

Official description

An OS Command Injection vulnerability in the bootzd zero-touch provisioning daemon of Juniper Networks Junos OS Evolved allows an unauthenticated attacker on the management LAN to execute commands as root via crafted DHCP response.

CVSS scores

ScoreVersionSourceVector
9.3Critical 4.0 CVEProject cvelistV5 (CNA) (juniper) CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H
8.8High 3.1 CVEProject cvelistV5 (CNA) (juniper) CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Juniper Networks Junos OS Evolved 23.4X100 CVEProject cvelistV5 (CNA)
Juniper Networks Junos OS Evolved 24.4 ≤ v < 24.4R2-S5-EVO CVEProject cvelistV5 (CNA)
Juniper Networks Junos OS Evolved 25.2 ≤ v < 25.2R2-S2-EVO CVEProject cvelistV5 (CNA)
Juniper Networks Junos OS Evolved 25.2X100 ≤ v < 25.2X100-D35-EVO CVEProject cvelistV5 (CNA)
Juniper Networks Junos OS Evolved 25.4 ≤ v < 25.4R1-S3-EVO CVEProject cvelistV5 (CNA)
Juniper Networks Junos OS Evolved 25.4X300 ≤ v < 25.4X300-D40-EVO CVEProject cvelistV5 (CNA)
Juniper Networks Junos OS Evolved 26.2 ≤ v < 26.2R1-S2-EVO CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2026-10-14
Last updated
2026-11-04
State
Published
Assigner (CNA)
juniper

Exploit prediction (EPSS)

3.92%
Probability of exploitation in 30 days
90.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-78
    Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')