CVE-2026-101967: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in Juniper Networks Junos OS Evolved
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 v3.1
Score 8.8high
Affected software
Juniper Networks
Junos OS Evolved
pkg:rpm/juniper/junos-os-evolvedRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-101967) involves improper neutralization of special elements used in an OS command (CWE-78) within the bootzd zero-touch provisioning daemon of Juniper Networks Junos OS Evolved. An unauthenticated attacker on the management LAN can exploit this flaw by crafting malicious DHCP responses that lead to arbitrary command execution with root privileges. The CVSS 3.1 base score is 8.8, reflecting high impact on confidentiality, integrity, and availability. The affected versions include multiple ranges and specific releases of Junos OS Evolved as listed.
Potential Impact
Successful exploitation allows unauthenticated attackers on the management LAN to execute arbitrary commands as root, potentially leading to full system compromise, data loss, or service disruption. The vulnerability impacts confidentiality, integrity, and availability of the affected systems.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict management LAN access to trusted users and networks to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- juniper
- Date Reserved
- 2026-09-28T16:28:35.625Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6acfaf302cdf04f65694d32e
Added to database: 10/14/2026, 16:34:56 UTC
Last enriched: 10/14/2026, 18:49:11 UTC
Last updated: 10/15/2026, 01:08:13 UTC
Views: 9
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