Summary
generated automatically from NVD dataThe on-prem VeloCloud Orchestrator (VCO) from Arista has an input validation weakness (CWE-20) that lets a remote, unauthenticated attacker reach privileged internal functionality and affect the VCO host. Successful exploitation could compromise the confidentiality, integrity, and availability of the orchestrator and the data it manages. The flaw is listed in the CISA KEV catalog as exploited and carries a CVSS v3.1 score of 10.0 (CRITICAL); hosted and Dedicated VCO versions were affected but have already been patched.
NVD 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.
⚠️ Actively exploited — CISA KEV
This CVE was added to CISA's Known Exploited Vulnerabilities catalog on 2026-09-22. It is confirmed exploited in the wild and must be patched as a priority.
Remediation deadline (US federal agencies): 2026-09-25
EPSS · FIRST.org
1.1%probability of exploitation in the next 30 days
Higher than 63% of scored CVEs
EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-16, recomputed daily by FIRST.org.
In-depth analysis on cveo.tech
We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.
CVSS v3.1 Score
Information
- Published
- 22 sept. 2026
- Updated
- 23 sept. 2026
- Status
- Analyzed
- Source
- psirt@arista.com
Affected products
Weaknesses (CWE)
References (2)
- https://www.arista.com/en/support/advisories-notices/security-advisory/24765-security-advisory-0183MitigationVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-93952US Government Resource
Similar CVEs
Other vulnerabilities of type CWE-20
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