// CVE

CVE-2026-93952

Critical 9.5 Exploited (KEV)

Arista Networks VeloCloud Orchestrator (VCO) On-Prem

9.5CVSS
1%EPSS
YesCISA KEV

Summary

VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access privileged internal functionality and impact the VCO host. Successful exploitation may compromise the confidentiality, integri…

Published: 2026-09-22 · In KEV since: 2026-09-22

Analysis

🔴 Critical — actively exploited

Weakness: Improper Input Validation (CWE-20). Fails to validate input before using it.

How it's exploited: Exploitable over the network (internet-reachable), unauthenticated, no user interaction, with high complexity.

Impact: Full compromise (confidentiality, integrity and availability).

Status: Active exploitation confirmed by CISA (KEV).

How to defend:
  • Patch now: it is in CISA's actively-exploited catalog (KEV), with a deadline.
  • Reduce exposure: keep it off the internet; firewall, VPN or network segmentation.
  • Detect: turn this CVE into detection rules.

CVSS vector

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

The vector encodes how it's exploited (translated above, in the analysis). Break it down in the CVSS tool →

🔗 NVD record CISA KEV 🌉 CVE → detection 🎯 Am I exposed? ⚖️ Prioritize patch

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Sources: CISA KEV · EPSS · FIRST.org · NVD. Analysis derived from the CVSS vector and exploitation status (no AI). Informational; always verify against the vendor's official advisory.