CVE•Published 2021-02-24•Modified 2026-08-12•1 article on news•5 live references•NVD data

CVE-2021-21972Vmware · Cloud_foundation

Vulnerability data via NVD (ingested)

CVSS v3.1

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

100

Exploit Prediction Scoring System · top 0% of all CVEs

Weaknesses (CWE)

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

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).

Timeline

Published 2021-02-24

Modified 2026-08-12

External references

NVD MITRE Sploitus trickest/cve VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag5 hosts

vuln:CVE-2021-21972

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Vmware Cloud Foundation"

All exposed Vmware Cloud Foundation instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Cloud Foundation"

HTTP body or banner mentions "Cloud Foundation" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2021-21972