|Synopsis||ESXi patches address partial denial of service vulnerability in hostd process (CVE-2019-5528)
Multiple failed login attempts to ESXi may cause the hostd service to become unresponsive resulting in a partial denial of service for management functionality. VMware has evaluated the severity of this issue to be in the Moderate severity range with a maximum CVSSv3 base score of 5.3.
Known Attack Vectors:
A malicious actor with network access to an ESXi host could create a partial denial of service condition in management functionality. Successful exploitation of this issue may cause hostd to become unresponsive resulting in conditions such as an ESXi host disconnecting from vCenter.
To remediate this vulnerability, apply the patches listed in the 'Fixed Version' column of the 'Resolution Matrix' found below.
Workarounds are available for this issue, follow the instructions in the documents linked in the 'Workarounds' section found below.
|Product||Version||Running On||CVE Identifier||CVSSV3||Severity||Fixed Version||Workarounds||Additional Documents|
Mitre CVE Dictionary Links:
Fixed Version(s) and Release Notes:
5. Change log
Initial security advisory detailing remediations and workarounds available for ESXi.
Updated security advisory detailing ESXi 6.7 remediation information.
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This Security Advisory is posted to the following lists:
PGP key at:
VMware Security Advisories
VMware Security Response Policy
VMware Lifecycle Support Phases
VMware Security & Compliance Blog
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