CVE-2021-21973 - CVE House
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Status published Unknown CVE-2021-21973

The vSphere Client (HTML5) contains an SSRF (Server Side Request...

Vulnerability 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).

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

VMware vCenter Server, VMware Cloud Foundation
Vulnerable Versions:
7.x before 7.0 U1c, 6.7 before 6.7 U3l, 6.5 before 6.5 U3n, 4.x before 4.2, 3.x before 3.10.1.2

Timeline

Official Publish: February 24th, 2021
Last Modified: October 21st, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.