CVE-2021-28451 Explained : Impact and Mitigation
Learn about CVE-2021-28451, a Remote Code Execution vulnerability impacting Microsoft Excel. Understand the risk, affected systems, and mitigation steps.
A remote code execution vulnerability impacting Microsoft Excel has been identified and tracked as CVE-2021-28451.
Understanding CVE-2021-28451
This section delves into the details of the vulnerability affecting various Microsoft products.
What is CVE-2021-28451?
The CVE-2021-28451 is a Remote Code Execution vulnerability in Microsoft Excel, allowing attackers to execute arbitrary code on the target system.
The Impact of CVE-2021-28451
With a CVSS base severity rating of 7.8 (High), this vulnerability poses a significant risk by granting threat actors the ability to execute malicious code remotely.
Technical Details of CVE-2021-28451
Let's explore the technical aspects of this CVE in more detail.
Vulnerability Description
The vulnerability enables an attacker to execute arbitrary code on a system hosting the affected version of Microsoft Excel, potentially leading to full system compromise.
Affected Systems and Versions
Several Microsoft products are affected, including Microsoft Office 2019, Microsoft Excel 2016, and Microsoft Excel 2013, among others. Specific version details are provided for each affected product.
Exploitation Mechanism
Attackers can exploit this vulnerability by enticing a user to open a malicious Excel file, triggering the execution of arbitrary code on the victim's system.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-28451.
Immediate Steps to Take
Security measures such as applying security updates from Microsoft and exercising caution with Excel files from unknown sources can help prevent exploitation.
Long-Term Security Practices
Implementing robust cybersecurity practices, such as regularly updating software and educating users on safe computing habits, can enhance overall security posture.
Patching and Updates
Microsoft may release security patches to address this vulnerability. Stay informed about security updates for the affected products to ensure protection against potential attacks.