VULNERABILITY INTELLIGENCE
CVE-2021-21972
CVSS score9.8 CRITICAL
EPSS probability99.87%
CISA KEVKnown exploited vulnerability
Published2021-02-24
Last modified2026-08-12
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Known Exploited Vulnerability
VMware vCenter Server Remote Code Execution Vulnerability
Vendor / product: VMware / vCenter Server
Description
The vSphere Client (HTML5) contains a remote code execution vulnerability in a vCenter Server plugin. 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. This affects VMware vCenter Server (7.x before 7.0 U1c, 6.7 before 6.7 U3l and 6.5 before 6.5 U3n) and VMware Cloud Foundation (4.x before 4.2 and 3.x before 3.10.1.2).
Weakness classification
- nvd@nist.gov: CWE-22
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-22
Primary references
- security@vmware.com — Exploit, Third Party Advisory, VDB Entry
- security@vmware.com — Exploit, Third Party Advisory, VDB Entry
- security@vmware.com — Exploit, Third Party Advisory, VDB Entry
- security@vmware.com — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource