Vulnerability Details CVE-2021-21986
The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.01
EPSS Ranking 75.8%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 10.0
References
Products affected by CVE-2021-21986
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cpe:2.3:a:vmware:cloud_foundation:3.0
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cpe:2.3:a:vmware:cloud_foundation:3.0.1
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cpe:2.3:a:vmware:cloud_foundation:3.0.1.1
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cpe:2.3:a:vmware:cloud_foundation:3.10
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cpe:2.3:a:vmware:cloud_foundation:3.10.1
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cpe:2.3:a:vmware:cloud_foundation:3.10.1.1
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cpe:2.3:a:vmware:cloud_foundation:3.10.1.2
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cpe:2.3:a:vmware:cloud_foundation:3.5
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cpe:2.3:a:vmware:cloud_foundation:3.5.1
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cpe:2.3:a:vmware:cloud_foundation:3.7
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cpe:2.3:a:vmware:cloud_foundation:3.7.1
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cpe:2.3:a:vmware:cloud_foundation:3.7.2
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cpe:2.3:a:vmware:cloud_foundation:3.8
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cpe:2.3:a:vmware:cloud_foundation:3.8.1
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cpe:2.3:a:vmware:cloud_foundation:3.9
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cpe:2.3:a:vmware:cloud_foundation:3.9.1
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cpe:2.3:a:vmware:cloud_foundation:4.0
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cpe:2.3:a:vmware:cloud_foundation:4.0.1
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cpe:2.3:a:vmware:cloud_foundation:4.1
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cpe:2.3:a:vmware:cloud_foundation:4.1.0.1
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cpe:2.3:a:vmware:cloud_foundation:4.2
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cpe:2.3:a:vmware:vcenter_server:6.5
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cpe:2.3:a:vmware:vcenter_server:6.7
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cpe:2.3:a:vmware:vcenter_server:7.0