CVE-2020-16886
Vulnerability Scoring
Attack Complexity Details
- Attack Complexity: Low Impact
- Attack Vector: LOCAL
- Privileges Required: Low Impact
- Scope: UNCHANGED
- User Interaction: NONE
CIA Impact Definition
- Confidentiality: Low Impact
- Integrity: Low Impact
- Availability: Low Impact
CVE-2020-16886 Vulnerability Summary
<p>A security feature bypass vulnerability exists in the PowerShellGet V2 module. An attacker who successfully exploited this vulnerability could bypass WDAC (Windows Defender Application Control) policy and execute arbitrary code on a policy locked-down machine.</p> <p>An attacker must have administrator privileges to create a configuration that includes installing PowerShellGet V2 module onto a machine from the PowerShell Gallery. The WDAC policy must be configured to allow the module to run. After this is done, PowerShell script can be injected and run fully trusted, allowing the attacker arbitrary code execution on the machine.</p> <p>The update addresses the vulnerability by changing how URLs are processed.</p>
Access Complexity Graph for CVE-2020-16886
Impact Analysis for CVE-2020-16886
CVE-2020-16886: Detailed Information and External References
EPSS
0.00047
EPSS %
0.19839
References
0.00047
CWE
NVD-CWE-noinfo
Vulnerable Configurations
-
cpe:2.3:a:microsoft:powershellget:2.2.5:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:powershellget:2.2.5:*:*:*:*:*:*:*
CVSS3 Source
secure@microsoft.com
CVSS3 Type
Primary
CVSS3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
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