Junos OS Evolved: PTX Series: An attacker controlled gRPC response causes root-level compromise when zero-touch provisioning is used (Juniper Networks Junos OS Evolved)
At a glance
- Source
- NVD
- EPSS
- EPSS 3.92 % · percentile 90 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- juniper
- NVD status
- Awaiting Analysis
Description
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.
Weaknesses (CWE)
- CWE-78 — Improper Neutralization of Special Elements used in an OS Command
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | juniper |
| CVSS 4.0 | HIGH 8.7 | 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 | juniper |
| CVSS 4.0 | HIGH 8.7 | 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 | NVD · sirt@juniper.net (Secondary) |
| CVSS 3.1 | HIGH 8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | NVD · sirt@juniper.net (Secondary) |
European references
- ENISA EUVD · EUVD-2026-101427
- GCVE · GCVE-0-2026-101978
CERT-FR advisories
- CERTFR-2026-AVI-1322 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
Affected products
| Product | Versions |
|---|---|
| Juniper Networks · Junos OS Evolved | affected 24.4 < 24.4R2-S5-EVO ; affected 25.2 < 25.2R2-S2-EVO ; affected 25.4 < 25.4R1-S3-EVO ; affected 26.2 < 26.2R1-S2-EVO ; affected 23.4X100 ; affected 25.2X100 < 25.2X100-D35-EVO |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |