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Vulnerability details

CVE-2026-93952

Actively exploited
Arista Networks VeloCloud Orchestrator On-Prem

Security Advisory 0183

CVSS 4.0
9.5Critical

Official 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.

CVSS scores

ScoreVersionSourceVector
9.5Critical 4.0 CVEProject cvelistV5 (CNA) (Arista) 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
10.0Critical 3.1 CVEProject cvelistV5 (CNA) (Arista) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
Arista Networks VeloCloud Orchestrator (VCO) On-Prem 5.2.0 ≤ v ≤ 5.2.3.15 CVEProject cvelistV5 (CNA)
Arista Networks VeloCloud Orchestrator (VCO) On-Prem 6.1.0 ≤ v ≤ 6.1.3.7 CVEProject cvelistV5 (CNA)
Arista Networks VeloCloud Orchestrator (VCO) On-Prem 6.4.0 ≤ v ≤ 6.4.2.7 CVEProject cvelistV5 (CNA)
Arista Networks VeloCloud Orchestrator (VCO) On-Prem 7.0.0 ≤ v ≤ 7.0.0.2 CVEProject cvelistV5 (CNA)

References and advisories

2
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Details

Published
2026-09-22
Last updated
2026-09-23
State
Published
Assigner (CNA)
Arista
Kolun priority
72 · High

CISA KEV catalog

Date added
2026-09-22
Due date
2026-09-25
Used in ransomware
Unknown

Exploit prediction (EPSS)

1.38%
Probability of exploitation in 30 days
72.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
Active
Technical impact
Total

Weaknesses (CWE)

  • CWE-20
    Improper Input Validation