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Home - Vulnerability NotesPrint
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CERT-In Vulnerability Note CIVN-2026-0384
Command Injection Vulnerability in Arista

Original Issue Date:July 31, 2026

Severity Rating: CRITICAL

Software Affected

  • Arista VeloCloud Orchestrator (VCO) On-Prem 5.2.x releases prior to 5.2.3.14
  • Arista VeloCloud Orchestrator (VCO) On-Prem 6.1.x releases prior to 6.1.3.4
  • Arista VeloCloud Orchestrator (VCO) On-Prem 6.4.x releases prior to 6.4.2.4
  • Arista VeloCloud Orchestrator (VCO) On-Prem 7.0.x releases prior to 7.0.0.1

Overview

A vulnerability has been reported in Arista VeloCloud Orchestrator (VCO) On-Prem which could allow a remote, unauthenticated attacker to execute arbitrary commands, leading to unauthorized access and complete compromise of the targeted system.

Target Audience:
All organizations and individuals using affected versions of Arista products.

Risk Assessment:
Critical risk of remote code execution, unauthorized access and complete system compromise.

Impact Assessment:
Potential for complete compromise of the affected system, unauthorized access, and loss of confidentiality, integrity and availability.

Description

Arista VeloCloud Orchestrator (VCO) On-Prem is a centralized management platform used to configure, monitor and manage VeloCloud SD-WAN deployments.

A command injection vulnerability has been reported in Arista VCO On-Prem due to improper neutralization of special elements used in an operating system command. The vulnerability exposes privileged internal functionality intended only for internal use, which is remotely accessible through the VCO web interface. A remote attacker could exploit this vulnerability by sending crafted requests.

Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary commands, leading to unauthorized access and complete compromise of the targeted system.

Solution

Apply appropriate updates as mentioned as mentioned by the Vendor:
https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144

Vendor Information

Arista Networks
https://www.arista.com/en/support/advisories-notices

References

 
https://www.arista.com/en/support/advisories-notices/security-advisory/24364-security-advisory-0144

CVE Name
CVE-2026-16812

Disclaimer

The information provided herein is on "as is" basis, without warranty of any kind.

Contact Information

Email: info@cert-in.org.in
Phone: +91-11-22902657

Postal address

Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, CGO Complex, Lodhi Road,
New Delhi - 110 003
India

 
Indian Computer Emergency Response Team - CERT-In, Ministry of Electronics and Information Technology, Government of India.
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