Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2021-21985

The vSphere Client (HTML5) contains a remote code execution vulnerability due to lack of input validation in the Virtual SAN Health Check plug-in which is enabled by default in vCenter Server. A malicious actor with network access to port 443 may exploit this issue to execute commands with unrestricted privileges on the underlying operating system that hosts vCenter Server.

Published

2021-05-26T15:15:07.937

Last Modified

2025-04-02T16:53:15.267

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-918
  • Type: Secondary
    CWE-20
    CWE-470
    CWE-918
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.5 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 6.7 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware vcenter_server 7.0 Yes
Application vmware cloud_foundation < 3.10.2.1 Yes
Application vmware cloud_foundation < 4.2.1 Yes
References