CVE-2021-21981: Broadcom VMware Nsx-T Data Center

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

VMware NSX-T contains a privilege escalation vulnerability due to an issue with RBAC (Role based access control) role assignment. Successful exploitation of this issue may allow attackers with local guest user account to assign privileges higher than their own permission level.

Affected products

• Broadcom VMware Nsx-T Data Center: version 3.1.1 only

Published 2021-04-19. Last modified 2026-06-17.