Vulnerability Details CVE-2021-22037
Under certain circumstances, when manipulating the Windows registry, InstallBuilder uses the reg.exe system command. The full path to the command is not enforced, which results in a search in the search path until a binary can be identified. This makes the installer/uninstaller vulnerable to Path Interception by Search Order Hijacking, potentially allowing an attacker to plant a malicious reg.exe command so it takes precedence over the system command. The vulnerability only affects Windows installers.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 33.8%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 4.4
References
Products affected by CVE-2021-22037
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cpe:2.3:a:vmware:installbuilder:*