CVE-2026-93952

Arista Networks VeloCloud Orchestrator (VCO) On-Prem

Published 22 Sept 2026 · updated 23 Sept 2026 · Analyzed

9.5 Critical · CVSS 4.0, arista.com

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 22 Sept 2026, with a remediation deadline of 25 Sept 2026 for US federal agencies.

Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Description

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, integrity, and availability of the orchestrator and data managed by the orchestrator. Hosted, including Dedicated, versions of VCO were impacted and have already been patched.

References