CVE-2026-93952Security Advisory 0183
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.
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 9.5 | CRITICAL | 4.0Arista (CNA) | 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 |
| 10.0 | CRITICAL | 3.1Arista (CNA) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
CISA required action
⚡ Known exploited · remediation due Sep 25, 2026
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.
Details
- CVE ID
- CVE-2026-93952
- Status
- Analyzed
- Assigner (CNA)
- Arista
- Published
- Sep 22, 2026
- Last modified
- 2026-09-23 14:32 UTC
- Weaknesses
- CWE-20 · Improper Input Validation
Affected Products
As published by the CNA in the CVE record.
Arista NetworksVeloCloud Orchestrator (VCO) On-Prem4 version ranges
- 5.2.0 through 5.2.3.15
- 6.1.0 through 6.1.3.7
- 6.4.0 through 6.4.2.7
- 7.0.0 through 7.0.0.2