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Vulnerability DatabaseCVE-2022-21986

CVE-2022-21986: 
vulnerability analysis and mitigation

Overview

.NET Denial of Service Vulnerability (CVE-2022-21986) was disclosed on February 9, 2022, affecting Microsoft .NET and Visual Studio products. The vulnerability was initially reported to Microsoft and assigned a CVE identifier in December 2021 (CVE MITRE).

Technical details

The vulnerability has been assessed with a CVSS v3.1 Base Score of 7.5 (HIGH) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H, indicating a network-exploitable vulnerability requiring no privileges or user interaction. The CVSS v2.0 score was rated at 4.3 (MEDIUM) with the vector (AV:N/AC:M/Au:N/C:N/I:N/A:P) (NVD).

Impact

The vulnerability affects the availability of .NET services, potentially leading to denial of service conditions. The high CVSS score particularly emphasizes the impact on system availability while maintaining no direct effect on confidentiality or integrity (NVD).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. The affected versions include .NET 5.0 (versions before 5.0.14), .NET 6.0 (versions before 6.0.2), Visual Studio 2019 (versions 16.0 through 16.11), and Visual Studio 2019 for macOS (versions 8.10 through 8.10.18) (NVD).

Additional resources

Source: This report was generated using AI

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