CVE-2022-21968 : Security Advisory and Response
Discover the impact of CVE-2022-21968, a medium-severity vulnerability in Microsoft SharePoint Server allowing privilege escalation. Learn about affected systems and how to mitigate the risk.
Microsoft SharePoint Server Security Feature Bypass Vulnerability was discovered on February 8, 2022. It affects Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition, and Microsoft SharePoint Foundation 2013 Service Pack 1 on x64-based systems.
Understanding CVE-2022-21968
This CVE discloses a Security Feature Bypass Vulnerability in Microsoft SharePoint Server, impacting various versions of the software.
What is CVE-2022-21968?
CVE-2022-21968 is a vulnerability that allows for an elevation of privilege within Microsoft SharePoint Server, potentially leading to unauthorized access to sensitive information.
The Impact of CVE-2022-21968
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 4.3. It could result in an attacker bypassing security features and gaining elevated privileges within the SharePoint Server environment.
Technical Details of CVE-2022-21968
Let's delve into the technical aspects of this security flaw.
Vulnerability Description
The Security Feature Bypass Vulnerability in Microsoft SharePoint Server could be exploited for an elevation of privilege attack.
Affected Systems and Versions
The affected products include Microsoft SharePoint Enterprise Server 2016, Microsoft SharePoint Server 2019, Microsoft SharePoint Server Subscription Edition, and Microsoft SharePoint Foundation 2013 Service Pack 1.
Exploitation Mechanism
By exploiting this vulnerability, an attacker can potentially escalate their privileges within the SharePoint Server environment, posing a significant security risk.
Mitigation and Prevention
Here are some steps to mitigate and prevent the exploitation of CVE-2022-21968.
Immediate Steps to Take
Immediately apply the necessary security patches provided by Microsoft to address this vulnerability.
Long-Term Security Practices
Maintain a robust cybersecurity posture by regularly updating and patching your SharePoint Server installations.
Patching and Updates
Regularly check for security updates and apply them promptly to ensure your systems are protected against known vulnerabilities.