TI-2020-03445 Aliases CVE-2020-3946 GHSA-x6rx-7hmf-r792

InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built…

LOW 35CWE-776Published 2020-04-20 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).

Why it matters now

EPSS 0.01044 64th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
VMware	InstallBuilder	All versions prior to version 19.11.0	—	No fix listed	CNA

InstallBuilder VendorVMware Affected All versions prior to version 19.11.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:vmware:installbuilder::::::::	before 19.11.0	Vulnerable	VMware

cpe:2.3:a:vmware:installbuilder:*:*:*:*:*:*:*:* Versions before 19.11.0 Vulnerable ·VMware

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-3946
2026-10-03 Alias added: GHSA-x6rx-7hmf-r792

References

Advisory 1

https://blog.installbuilder.com/2019/12/configure-autoupdate-project-settings.html

TI-2021-05080 On Windows, the uninstaller binary copies itself to a fixed temporary location, which is… CVSS 3.1HIGH 8.8
TI-2021-05079 Uncontrolled search path in VMware InstallBuilder CVSS 3.1HIGH 7.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences