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Rewterz Threat Advisory – Multiple VMware Security Vulnerabilities

Severity

High

Analysis Summary

CVE-2021-21972

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. 

CVE-2021-21974

A malicious actor residing within the same network segment as ESXi who has access to port 427 may be able to trigger the heap-overflow issue in OpenSLP service resulting in remote code execution.

CVE-2021-21973

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.

Impact

  • Remote code execution
  • Information disclosure

Affected Vendors

VMware

Affected Products

  • VMware ESXi
  • VMware vCenter Server (vCenter Server)
  • VMware Cloud Foundation (Cloud Foundation)

Remediation

Refer to vendor advisory for the complete list of affected products and their respective patches.

https://www.vmware.com/security/advisories/VMSA-2021-0002.html