Rewterz Threat Advisory – CVE-2019-5528 – VMware ESXi hostd Denial of Service Vulnerability

Thursday, July 11, 2019



Analysis Summary

An error related to handling multiple failed login attempts can be exploited to cause the hostd service to become unresponsive and subsequently cause a DoS condition for management functionality.


Denial of Service

Affected Vendors


Affected Products

VMware ESXi versions 6.5 and 6.7


Update to a fixed version if available.

Versions 6.5: Update to version ESXi650-201907201-UG.

Versions 6.7: No official solution is currently available.

Data Sheets

Corporate Brochure

Our Story



Managed Security

Upcoming Rewterz Trainings/Events

Rewterz News

  • 16, July 2019 Rewterz Threat Alert – Lazarus Mobile Malware turning devices into bots
  • 16, July 2019 Rewterz Threat Alert – Lazarus APT Group, Attacked as Identity Document
  • 15, July 2019 Rise in Attacks on DNS Infrastructure and Web Applications
  • 15, July 2019 Rewterz Threat Advisory – CVE-2019-0330 – SAP Diagnostic Agent OS Command Injection Vulnerability

Copyright © Rewterz. All rights reserved.