CVE-2026-73447

critical

A privileged attacker can exploit certain operation to execute arbitrary commands with root privileges, leading to full device compromise.

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.

CVSS

9.1

9.1 (CVSS v3.1)

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Severity source: NVD CVSS v3.1 (psirt@arista.com)

Timeline (UTC)

Published: 2026-09-16 07:16

Modified: 2026-09-17 12:18

NVD status: Awaiting Analysis

Last synced 1 day ago

Verified against the source API 2026-10-27 06:54 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-78

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://www.arista.com/en/support/advisories-notices/security-advisory/24718-security-advi... psirt@arista.com

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:54 UTC · record ↗

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