CVE-2019-0821 Explained : Impact and Mitigation
Learn about CVE-2019-0821, an information disclosure vulnerability in Windows SMB Server. Find out affected systems, exploitation risks, and mitigation steps.
Windows SMB Server vulnerability allows information disclosure. Distinct from other CVEs.
Understanding CVE-2019-0821
What is CVE-2019-0821?
An information disclosure vulnerability in Windows SMB Server handling specific requests, known as 'Windows SMB Information Disclosure Vulnerability'.
The Impact of CVE-2019-0821
The vulnerability allows unauthorized access to sensitive information, potentially leading to data breaches and privacy violations.
Technical Details of CVE-2019-0821
Vulnerability Description
- Vulnerability in Windows SMB Server handling specific requests
- Known as 'Windows SMB Information Disclosure Vulnerability'
Affected Systems and Versions
- Windows 7, 8.1, RT 8.1, 10 (multiple versions)
- Windows Server 2008, 2012
Exploitation Mechanism
- Attackers exploit the vulnerability by sending crafted requests to the SMB Server, extracting sensitive data.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly
- Monitor network traffic for any suspicious activity
Long-Term Security Practices
- Regularly update and patch systems to prevent vulnerabilities
- Implement network segmentation to limit exposure to attacks
Patching and Updates
- Microsoft releases security updates regularly to address vulnerabilities like CVE-2019-0821