CVE-2020-0693 : Security Advisory and Response
Understand the impact of CVE-2020-0693, a Cross-Site Scripting vulnerability in Microsoft SharePoint Server affecting versions 2016, 2019, and 2013 Service Pack 1. Learn about mitigation steps and prevention measures.
A Cross-Site Scripting (XSS) vulnerability in Microsoft SharePoint Server poses security risks. Learn about its impact, technical details, and mitigation steps.
Understanding CVE-2020-0693
A vulnerability in Microsoft SharePoint Server allows attackers to execute XSS attacks, potentially compromising system integrity.
What is CVE-2020-0693?
A Cross-Site Scripting (XSS) vulnerability in Microsoft SharePoint Server exposes servers to malicious code injection, enabling attackers to execute scripts in the context of the user's session.
The Impact of CVE-2020-0693
The vulnerability could lead to unauthorized access, data manipulation, and potential system compromise.
Technical Details of CVE-2020-0693
Explore the specifics of the CVE to understand its implications and the systems it affects.
Vulnerability Description
A flaw in Microsoft SharePoint Server allows malicious actors to send crafted web requests, leading to XSS attacks.
Affected Systems and Versions
- Microsoft SharePoint Enterprise Server 2016
- Microsoft SharePoint Server 2019
- Microsoft SharePoint Server 2013 Service Pack 1
Exploitation Mechanism
Attackers exploit the lack of proper input sanitization in SharePoint Server to inject malicious scripts, gaining unauthorized access and compromising data integrity.
Mitigation and Prevention
Discover the actions necessary to mitigate the risks associated with CVE-2020-0693.
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly.
- Implement web application firewalls to filter and block malicious incoming requests.
- Educate users on safe browsing practices to avoid falling victim to XSS attacks.
Long-Term Security Practices
- Regularly update and patch Microsoft SharePoint installations.
- Conduct security audits and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
Ensure all Microsoft SharePoint Server installations are up to date with the latest security patches to protect against known vulnerabilities.