Vulnerability Details CVE-2021-21973
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).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.896
EPSS Ranking 99.5%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
Proposed Action
VMware vCenter Server and Cloud Foundation Server contain a SSRF vulnerability due to improper validation of URLs in a vCenter Server plugin. This allows for information disclosure.
Ransomware Campaign
Unknown
References
Products affected by CVE-2021-21973
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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:3.5
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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: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