CVE-2026-101978

8.7 HIGH 4% exploit odds No fix listed

What it is

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

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 3.9% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-10-14 17:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-10-16 15:16 UTC Last updatedMost recent change to the record

Details

Published: 2026-10-14 17:17 UTC
Last modified: 2026-10-16 15:16 UTC
Exploit probability: 3.9% · EPSS, next 30 days
Weakness: CWE-78 · OS command injection
Record status: Awaiting Analysis

Attack profile CVSS 4.0 · 8.7

Attack vector: Adjacent network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:L/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

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References

https://supportportal.juniper.net/JSA112250

NVD record · CVE.org record