CVE-2020-0751 Explained : Impact and Mitigation
Learn about CVE-2020-0751, a denial of service issue in Microsoft Hyper-V impacting various Windows systems. Find out how to mitigate the vulnerability and protect your systems.
A denial of service vulnerability in Microsoft Hyper-V affects various Windows systems.
Understanding CVE-2020-0751
What is CVE-2020-0751?
A denial of service vulnerability arises in Microsoft Hyper-V when it fails to properly validate specific malicious data from a user on a guest operating system, potentially leading to a DoS attack.
The Impact of CVE-2020-0751
The vulnerability could be exploited by an attacker with privileged access on a guest operating system to run a specially crafted application, causing a denial of service situation.
Technical Details of CVE-2020-0751
Vulnerability Description
The flaw in Microsoft Hyper-V could allow an attacker to disrupt services on affected systems by exploiting improper data validation.
Affected Systems and Versions
- Windows 10 Version 1903 for x64-based Systems
- Windows Server, version 1903 (Server Core installation)
- Windows 10 Version 1909 for x64-based Systems
- Windows Server, version 1909 (Server Core installation)
Exploitation Mechanism
To exploit this vulnerability, an attacker needs a privileged account on a guest operating system to run a crafted application that triggers the flaw.
Mitigation and Prevention
Immediate Steps to Take
- Apply the security update provided by Microsoft to address the vulnerability.
Long-Term Security Practices
- Regularly update and patch systems to prevent such vulnerabilities.
- Restrict user privileges to minimize the impact of potential attacks.
Patching and Updates
Ensure timely installation of security patches and updates to safeguard systems.