CVE-2023-20896: VMware vCenter Server

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

The VMware vCenter Server contains an out-of-bounds read vulnerability in the implementation of the DCERPC protocol. A malicious actor with network access to vCenter Server may trigger an out-of-bounds read by sending a specially crafted packet leading to denial-of-service of certain services (vmcad, vmdird, and vmafdd).

Affected products

• VMware vCenter Server: from 4.0, before 7.0 (fixed in 7.0); version 7.0 only; version 8.0 only

Published 2023-06-22. Last modified 2026-06-17.