Operating System-Specific Mitigations address L1 Terminal Fault - OS vulnerability in VMware Virtual Appliances.

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 Operating System-Specific Mitigations address L1 Terminal Fault - OS vulnerability in VMware Virtual Appliances.
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1. Summary

Operating System-Specific Mitigations address L1 Terminal Fault - OS vulnerability in VMware Virtual Appliances.


The mitigations in this advisory are categorized as Operating System Specific Mitigations described by VMware Knowledge Base article 55636.

2. Relevant Products
  • vCloud Usage Meter (UM)
  • Identity Manager (vIDM)
  • vCenter Server Appliance (vCSA)
  • vSphere Data Protection (VDP)
  • vSphere Integrated Containers (VIC)
  • vRealize Automation (vRA) 
3. Problem Description

VMware Virtual Appliance Mitigations address L1 Terminal Fault - OS vulnerability. Successful exploitation of this issue may lead to local information disclosure of sensitive information. Unaffected products lines are documented in KB55807.

The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the identifier CVE-2018-3620 to this issue.


Column 5 of the following table lists the action required to mitigate the vulnerability in each release, if a solution is available.

VMware Product Product Version Running On Severity Replace_with/Apply_Patch Mitigation/Workaround
UM 3.x VA Moderate Won't Fix KB52467
vIDM 3.x, 2.x VA Moderate 19.03 KB52284
vCSA 6.7 VA Moderate 6.7u1 KB52312
vCSA 6.5 VA Moderate 6.5u2d KB52312
vCSA 6.0 VA Moderate 6.0u3i KB52312
vCSA 5.5 VA N/A Unaffected N/A
VDP 6.x VA Moderate 6.1.11
VIC 1.x VA Moderate 1.4.3 None
vRA 7.x VA Moderate 7.5.0 KB52377
vRA 6.x VA Moderate 7.5.0 KB52497

4. Solution
Please review the patch/release notes for your product and version and verify the checksum of your downloaded file.

Identity Manager 19.03

Downloads and Documentation:



vCenter Server Appliance 6.7u1
Downloads and Documentation:

vCenter Server Appliance 6.5u2d
Downloads and Documentation:

vCenter Server Appliance 6.0u3i

Downloads and Documentation:



vSphere Data Protection 6.1.11

Downloads and Documentation:



vSphere Integrated Containers 1.4.3
Downloads and Documentation:

vRealize Automation 7.5.0
Downloads and Documentation:

6. Change log


2018-08-14: VMSA-2018-0021
Initial security advisory.


2018-11-29: VMSA-2018-0021.1
Updated advisory to include fixed versions of vCenter Server Appliance, vSphere Integrated Containers, and vRealize Automation in conjunction with the release of vCenter Server Appliance 6.5u2d on 2018-11-29.


2019-07-25: VMSA-2018-0021.2
Updated advisory to include mitigated versions of Identity Manager 19.03, vCenter Server Appliance 6.0u3i, and vSphere Data Protection 6.1.11.

7. Contact


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