CVE-2020-1398 : Security Advisory and Response
Learn about CVE-2020-1398, an elevation of privilege vulnerability in Windows Lockscreen. Find out the affected systems and versions along with mitigation steps.
An elevation of privilege vulnerability in Windows Lockscreen
Understanding CVE-2020-1398
An elevation of privilege vulnerability in Windows Lockscreen that allows elevated command execution.
What is CVE-2020-1398?
This CVE is known as 'Windows Lockscreen Elevation of Privilege Vulnerability' where the Ease of Access dialog is not handled correctly, leading to a security risk.
The Impact of CVE-2020-1398
Exploiting this vulnerability could enable an attacker to execute commands with elevated permissions on the affected system.
Technical Details of CVE-2020-1398
An overview of the technical aspects of the CVE
Vulnerability Description
The vulnerability stems from Windows Lockscreen's improper handling of the Ease of Access dialog, allowing for privilege elevation.
Affected Systems and Versions
Systems affected:
- Windows 10 Version 2004 for different systems
- Windows Server versions
- Various Windows 10 versions such as 1803, 1809, 1709, etc.
Exploitation Mechanism
Attackers exploit the mishandling of the Ease of Access dialog to run commands with elevated privileges.
Mitigation and Prevention
Steps to reduce the impact and prevent exploitation
Immediate Steps to Take
- Apply the security update provided by Microsoft
- Monitor system for any unauthorized access
Long-Term Security Practices
- Regularly update and patch systems
- Implement security best practices
Patching and Updates
- Ensure all Windows systems are updated with the latest security patches