Vulnerability in Installbuilder
CVE-2020-3979
InstallBuilder for Qt Windows (versions prior to 20.7.0) installers look for plugins at a predictable location at initialization time, writable by non-admin users. While those plugins are not required, they are loaded if present, which could allow an attacker to plant a malicious library which could result in code execution with the security scope of the installer.
EPSS: 0.004 (30.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Installbuilder
- Microsoft Windows
- N/a Vmware Installbuilder — versions All InstallBuilder for Qt versions prior to version 20.7.0
Weakness classification (CWE)
References
- security@vmware.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2020-3979?
- CVE-2020-3979 is a high-severity vulnerability in Installbuilder, classified under Uncontrolled Search Path Element. CVSS score: 7.8/10. Published 2020-09-18.
- How severe is CVE-2020-3979?
- High severity. CVSS v3 base score is 7.8 out of 10.