CVE-2026-73447CWE-78command-injection

CVE-2026-73447

Critical · published September 16, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
52.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
9.4 · CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.00705 · 52.8th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-09-16T11:16Z
References (1)
https://www.arista.com/en/support/advisories-notices/security-advisory/24718-security-advisory-0162 · [email protected]
EPSS history
Timeline
  • 17 SEP 03:32Z
    EPSS moved — → 1%
    epss
  • 16 SEP 06:04Z
    Security Advisory 0162 - gNSI Certz/Bootz OS Command Injection via Crafted Rotate Request
    cvelistv5