CVE-2020-1333 : Security Advisory and Response
Understand the elevation of privilege vulnerability in CVE-2020-1333 affecting various Windows and Windows Server versions. Learn the impact, affected systems, and mitigation steps.
An elevation of privilege vulnerability exists when Group Policy Services Policy Processing improperly handle reparse points, aka 'Group Policy Services Policy Processing Elevation of Privilege Vulnerability'.
Understanding CVE-2020-1333
This CVE involves an elevation of privilege vulnerability related to Group Policy Services Policy Processing.
What is CVE-2020-1333?
CVE-2020-1333 is an elevation of privilege vulnerability in Group Policy Services Policy Processing.
The Impact of CVE-2020-1333
This vulnerability allows an attacker to gain elevated privileges on the affected system, potentially leading to unauthorized access and control.
Technical Details of CVE-2020-1333
This section delves into the specifics of the CVE.
Vulnerability Description
The vulnerability arises from how Group Policy Services Policy Processing handles reparse points.
Affected Systems and Versions
The following products and versions are impacted:
- Windows 10 Version 2004 for 32-bit, ARM64-based, and x64-based systems
- Windows Server version 2004 (Server Core installation)
- Various versions of Windows 10, including 1803, 1809, 1709, 1607, 10, 8.1, and RT 8.1
- Various versions of Windows Server, including 2019, 2016, 2008, 2008 R2, 2012, and 2012 R2
- Windows 10 Version 1909 and 1903 for 32-bit, x64-based, and ARM64-based systems
- Windows Server version 1909 and 1903 (Server Core installation)
Exploitation Mechanism
The vulnerability can be exploited by a remote attacker to elevate their privileges through the affected Group Policy Services.
Mitigation and Prevention
Explore the steps below to address and prevent the CVE issue.
Immediate Steps to Take
- Apply the necessary security updates provided by Microsoft.
- Monitor and restrict access to Group Policy Services to minimize exploitation risks.
Long-Term Security Practices
- Regularly update and patch systems to prevent vulnerabilities.
- Implement least privilege access controls to limit the impact of potential security breaches.
- Conduct security assessments and audits to identify and remediate system weaknesses.
Patching and Updates
Microsoft has released patches to address this vulnerability. Ensure prompt installation of these updates to secure your systems.