CVE-2026-93952

Published Sep 22, 2026

Last updated an hour ago

Exploit known CVSS critical 9.5

Zero-day

IoT

Supply chain

Overview

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.
Source: psirt@arista.com
NVD status: Analyzed
Products: velocloud_orchestrator

Risk scores

CVSS 4.0

Type: Secondary
Base score: 9.5
Impact score: -
Exploitability score: -
Vector string: 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity: CRITICAL

CVSS 3.1

Type: Secondary
Base score: 10
Impact score: 6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: Arista VeloCloud Orchestrator Improper Input Validation Vulnerability
Exploit added on: Sep 22, 2026
Exploit action due: Sep 25, 2026
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.

Weaknesses

psirt@arista.com: CWE-20

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "E90ACBD1-E408-4DD5-B8DC-D3E021FC7E7A",
            "versionEndExcluding": "5.2.3.16",
            "versionStartIncluding": "5.2.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "86BE5508-B49D-42FC-82E7-FCA23806DF8D",
            "versionEndIncluding": "6.1.3.7",
            "versionStartIncluding": "6.1.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "9592E38C-B71C-499C-9B7E-317E8E20794C",
            "versionEndExcluding": "6.4.2.8",
            "versionStartIncluding": "6.4.0",
            "vulnerable": true
          },
          {
            "criteria": "cpe:2.3:a:arista:velocloud_orchestrator:*:*:*:*:*:*:*:*",
            "matchCriteriaId": "633BE61D-90FD-4868-9459-D4DB1B2CF653",
            "versionEndIncluding": "7.0.0.2",
            "versionStartIncluding": "7.0.0",
            "vulnerable": true
          }
        ],
        "negate": false,
        "operator": "OR"
      }
    ]
  }
]

References

Sources include official advisories and independent security research.

Overview

Risk scores

CVSS 4.0

CVSS 3.1

Known exploits

Weaknesses

Social media

Configurations

Related CVEs

References