CVE-2021-21972CISA KEVEPSS p100.0%

CVE-2021-21972VMware vCenter Server Remote Code Execution Vulnerability

VMware / vCenter Server

Description

VMware vCenter Server vSphere Client contains a remote code execution vulnerability in a vCenter Server plugin which allows an attacker with network access to port 443 to execute commands with unrestricted privileges on the underlying operating system.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS99.87% probability of exploitation · percentile 100.0% · 2026-09-09T12:00:22Z
Last modified2026-08-12

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryVMware vCenter Server Remote Code Execution Vulnerabilitykev-cve-2021-219720%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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VMware vCenter Server Improper Input Validation Vulnerability
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VMware vCenter Server File Upload Vulnerability
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VMware vCenter Server Incorrect Default File Permissions Vulnerability
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VMware vCenter Server Out-of-Bounds Write Vulnerability
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VMware vCenter Server Heap-Based Buffer Overflow Vulnerability
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VMware vCenter Server Improper Access Control
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.