CVE-2020-16910 : What You Need to Know
Learn about CVE-2020-16910, a security feature bypass vulnerability in Microsoft Windows allowing attackers to create files in protected UEFI locations. Find out affected systems and mitigation steps.
A security feature bypass vulnerability in Microsoft Windows could allow attackers to create files in a protected UEFI location.
Understanding CVE-2020-16910
What is CVE-2020-16910?
A security feature bypass vulnerability in Microsoft Windows allows attackers to create files in a protected UEFI location by exploiting file creation permission handling.
The Impact of CVE-2020-16910
This vulnerability could be exploited by running a specially crafted application to bypass UEFI variable security in Windows.
Technical Details of CVE-2020-16910
Vulnerability Description
The security feature bypass vulnerability arises from Windows' failure to handle file creation permissions properly.
Affected Systems and Versions
- Windows 10 Version 1803, 1809, 1909, 1507, 1607, 1709, 1903, 2004
- Windows Server 2019, 2016
Exploitation Mechanism
To exploit this vulnerability, attackers can run a specially crafted application to bypass UEFI variable security in Windows.
Mitigation and Prevention
Immediate Steps to Take
- Apply the security update provided by Microsoft to correct the security feature behavior.
Long-Term Security Practices
- Regularly update Windows systems to ensure protection against known vulnerabilities.
- Implement security best practices to prevent unauthorized access to UEFI locations.
Patching and Updates
Ensure that all affected systems are updated with the latest security patches from Microsoft.