Learn about CVE-2021-34485, an information disclosure flaw in .NET Core and Visual Studio impacting Microsoft products. Find out the impact, affected systems, and mitigation steps.
This article provides details about the .NET Core and Visual Studio Information Disclosure Vulnerability with CVE ID CVE-2021-34485 that affects various Microsoft products.
Understanding CVE-2021-34485
In August 2021, a medium-severity Information Disclosure Vulnerability (CVE-2021-34485) was discovered in .NET Core and Visual Studio, impacting multiple versions of Microsoft Visual Studio and PowerShell.
What is CVE-2021-34485?
The CVE-2021-34485 vulnerability involves an information disclosure issue in .NET Core and Visual Studio. Attackers could exploit this flaw to gain unauthorized access to sensitive information.
The Impact of CVE-2021-34485
With a CVSS base score of 5 (Medium severity), this vulnerability could lead to unauthorized disclosure of critical data, potentially affecting the confidentiality of sensitive information stored in affected systems.
Technical Details of CVE-2021-34485
This section delves into the specifics of the vulnerability, including affected systems, exploitation mechanisms, and more.
Vulnerability Description
The vulnerability allows threat actors to access undisclosed information, posing a risk to the confidentiality of affected systems and data stored within them.
Affected Systems and Versions
Products like Microsoft Visual Studio 2017, 2019, PowerShell, .NET Core 2.1, 3.1, and .NET 5.0 are affected by this vulnerability, with specific versions listed within each product.
Exploitation Mechanism
By leveraging this vulnerability, malicious actors can potentially extract sensitive data from the affected versions of .NET Core and Visual Studio, compromising the overall security posture.
Mitigation and Prevention
To safeguard systems from CVE-2021-34485, immediate actions and long-term security practices are necessary.
Immediate Steps to Take
Organizations should apply security patches promptly, restrict access to vulnerable systems, and monitor for any signs of unauthorized access or data breaches.
Long-Term Security Practices
Implementing robust security protocols, regular security assessments, and employee awareness training on data protection are crucial for long-term mitigation.
Patching and Updates
Microsoft may release patches or updates to address this vulnerability. Ensure timely installation of security updates across all affected systems.