CVE-2021-21973

Published Feb 24, 2021 CVSS 3.1 · 5.3 Medium EPSS 88.0% KEV · Listed
Description
The vSphere Client (HTML5) contains an SSRF (Server Side Request Forgery) vulnerability due to improper validation of URLs in a vCenter Server plugin. A malicious actor with network access to port 443 may exploit this issue by sending a POST request to vCenter Server plugin leading to information disclosure. 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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics kev

{'dateAdded': '2022-03-07'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'active', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
vmware
Published
Updated
Oct 21, 2025, 11:25 PM
Reserved
Jan 4, 2021, 12:00 AM
Status
Analyzed
Published
Feb 24, 2021, 5:15 PM
Modified
Jun 17, 2026, 3:36 AM