CVE-2020-1571 Explained : Impact and Mitigation
Learn about CVE-2020-1571, an elevation of privilege vulnerability in Windows Setup allowing attackers to execute arbitrary code with elevated privileges. Find mitigation steps and affected systems here.
Windows Setup Elevation of Privilege Vulnerability was published on August 17, 2020, by Microsoft. The vulnerability allows a locally authenticated attacker to execute arbitrary code with elevated system privileges.
Understanding CVE-2020-1571
This vulnerability affects various versions of Windows 10, potentially enabling attackers to install programs, view, modify, or delete data, and create new accounts with full user rights.
What is CVE-2020-1571?
An elevation of privilege vulnerability in Windows Setup permits attackers to exploit permissions handling, leading to the execution of arbitrary code with elevated privileges.
The Impact of CVE-2020-1571
Upon successful exploitation, an attacker can perform malicious activities such as installing software, modifying data, or creating user accounts with full privileges.
Technical Details of CVE-2020-1571
This section provides a deeper insight into the vulnerability.
Vulnerability Description
The vulnerability arises from Windows Setup's improper handling of permissions, enabling attackers to escalate privileges.
Affected Systems and Versions
The following Windows 10 versions are impacted:
- Windows 10 Version 2004
- Windows 10 Version 1803
- Windows 10 Version 1809
- Windows 10 Version 1909
- Windows 10 Version 1903 for 32-bit Systems
- Windows 10 Version 1903 for x64-based Systems
- Windows 10 Version 1903 for ARM64-based Systems
Exploitation Mechanism
Attackers with local authentication can exploit permissions mishandling in Windows Setup to execute arbitrary code with elevated system privileges.
Mitigation and Prevention
To address this vulnerability, consider the following steps:
Immediate Steps to Take
- Apply the provided security update promptly
- Monitor for any unusual system behavior or unauthorized access
Long-Term Security Practices
- Regularly update your operating system and software
- Implement the principle of least privilege
- Conduct security awareness training for users
Patching and Updates
Ensure you regularly update your Windows operating system to patch any security vulnerabilities.