CVEvulnerability

CVE-2021-21986

9.8 CRITICAL Published 2021-05-26 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-05-26
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-306

Description

The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication.

Affected configurations

• vmware vcenter server 6.5 • vmware vcenter server 6.7 • vmware vcenter server 7.0 • vmware cloud foundation (>= 3.0 < 3.10.2.1) • vmware cloud foundation (>= 4.0 < 4.2.1)

Related

Weakness · CWE (1)

  • CWE-306 Missing Authentication for Critical Functionality weakness

References