SB2020101366 - Security Feature Bypass in Microsoft PowerShellGet Module WDAC
Published: October 13, 2020
Security Bulletin ID
SB2020101366
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Security Features (CVE-ID: CVE-2020-16886)
CWE-ID: CWE-254 - Security Features
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
This vulnerability allows a local user to bypass security rescritions feature.
The vulnerability exists due to a security feature bypass issue in the PowerShellGet V2 module. A local user can bypass WDAC (Windows Defender Application Control) policy and execute arbitrary code on a policy locked-down machine.
Remediation
Install update from vendor's website.