CVE-2021-31948 : Security Advisory and Response
Learn about CVE-2021-31948, a spoofing vulnerability in Microsoft SharePoint Server impacting versions 2016, 2019, and Foundation 2013 SP1. Explore mitigation measures and security practices.
A spoofing vulnerability in Microsoft SharePoint Server has been identified, posing a risk to certain versions of the software. Here's what you need to know about CVE-2021-31948.
Understanding CVE-2021-31948
This section provides insights into the nature and impact of the Microsoft SharePoint Server Spoofing Vulnerability.
What is CVE-2021-31948?
CVE-2021-31948 refers to a spoofing vulnerability in Microsoft SharePoint Server that could allow an attacker to impersonate a trusted entity.
The Impact of CVE-2021-31948
The vulnerability could be exploited by malicious actors to deceive users into trusting malicious content or phishing attempts.
Technical Details of CVE-2021-31948
Explore the specific technical aspects of this vulnerability to better understand its implications.
Vulnerability Description
The vulnerability allows for spoofing attacks, undermining the authenticity of information shared through Microsoft SharePoint Server.
Affected Systems and Versions
Affected versions include Microsoft SharePoint Enterprise Server 2016 (<16.0.5173.1000), Microsoft SharePoint Server 2019 (<16.0.10375.20000), and Microsoft SharePoint Foundation 2013 SP1 (<15.0.5353.1000), operating on x64-based systems.
Exploitation Mechanism
The vulnerability can be exploited through crafted requests, enabling threat actors to manipulate user interactions and potentially execute further attacks.
Mitigation and Prevention
Discover the steps to mitigate risks associated with CVE-2021-31948 and enhance the security of SharePoint Server.
Immediate Steps to Take
Users are advised to apply relevant security patches and updates provided by Microsoft to address the vulnerability promptly.
Long-Term Security Practices
Implementing secure authentication mechanisms and regular security assessments can help prevent spoofing attacks and enhance overall system security.
Patching and Updates
Ensure that all affected systems are updated with the latest patches and security fixes from Microsoft to remediate the vulnerability effectively.