April 8, 2025
Proactive Defense: The Importance of Incident Response Planning in Cybersecurity
Severity
High
Analysis Summary
CVE-2021-41355
Microsoft .NET Core and Visual Studio could allow a remote attacker to obtain sensitive information. By persuading a victim to open specially-crafted content, an attacker could exploit this vulnerability to obtain sensitive information and then use this information to launch further attacks against the affected system.
CVE-2021-41353
Microsoft Dynamics 365 Sales could allow a remote authenticated attacker to conduct spoofing attacks.
CVE-2021-41354
Microsoft Dynamics 365 (on-premises) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability to execute script in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
CVE-2021-41357
Microsoft Windows could allow a locally authenticated attacker to gain elevated privileges on the system, caused by a flaw in the Win32k. By executing a specially-crafted program, an authenticated attacker could exploit this vulnerability to execute arbitrary code with higher privileges.
Impact
- Information Disclosure
- Cross-Site Scripting
Affected Vendors
Microsoft
Affected Products
- Microsoft Visual Studio 2019 16.0
- Microsoft Visual Studio 2019 16.1
- Microsoft Visual Studio 2019 16.2
- Microsoft Visual Studio 2019 16.3
- Microsoft Visual Studio 2019 16.4
- Microsoft Visual Studio 2019 16.5
- Microsoft Visual Studio 2019 16.6
- Microsoft Visual Studio 2019 16.7
- Microsoft Visual Studio 2019 16.8
- Microsoft Visual Studio 2019 16.9
- Microsoft Visual Studio 2019 16.10
- Microsoft Visual Studio 2019 16.11
- Microsoft Dynamics 365 Sales
- Microsoft Dynamics 365 9.0 on-premise
- Microsoft Dynamics 365 9.1 on-premise
- Microsoft Windows 10 2004 for 32-bit Systems
- Microsoft Windows 10 2004 for ARM64-based Systems
- Microsoft Windows 10 2004 for x64-based Systems
- Microsoft Windows 10 21H1 for 32-bit Systems
- Microsoft Windows 10 21H1 for ARM64-based Systems
- Microsoft Windows 10 21H1 for x64-based Systems
- Microsoft Windows Server 2022
- Microsoft Windows Server (Server Core installation) 2022
- Microsoft Windows 11 x32
- Microsoft Windows 11 x64
- Microsoft Windows 11 ARM64
- Microsoft Windows 10 21H2 for 32-bit Systems
- Microsoft Windows 10 21H2 for ARM64-based Systems
- Microsoft Windows 10 21H2 for x64-based Systems
Remediation
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.
CVE-2021-41355
CVE-2021-41353
CVE-2021-41354
CVE-2021-41357