CVE-2026-73447
Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request
CVSS Score
9.1
EPSS Score
0.0%
EPSS Percentile
0th
A privileged attacker can exploit certain operation to execute arbitrary commands with root privileges, leading to full device compromise. An authenticated user can exploit gRPC Network Security Interface (gNSI) Certz service on Arista EOS-based products to escalate privileges and execute arbitrary OS commands via a crafted Certz Rotate request. The Bootz service is also affected.
| CWE | CWE-78 |
| Vendor | arista networks |
| Product | eos |
| Published | Sep 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Arista Networks / EOS
4.30.2F < 4.31.0F 4.31.0F < 4.32.0F 4.32.0F < 4.33.0F 4.33.0F ≤ 4.33.8M 4.34.0F ≤ 4.34.7M 4.35.0F ≤ 4.35.5M 4.36.0F ≤ 4.36.0.1F