Microsoft QUIC Denial of Service Vulnerability
CVE-2023-38171

7.5HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft Visual Studio 2022 Version 17.2
Microsoft Visual Studio 2022 Version 17.4
Microsoft Visual Studio 2022 Version 17.6
Microsoft Visual Studio 2022 Version 17.7
Vendor
CVE Published:
10 October 2023

Summary

The Microsoft QUIC protocol is susceptible to a vulnerability that allows attackers to trigger a Denial of Service (DoS) condition. This may result in system instability or unavailability, affecting user access and application performance. It is critical for users and administrators to mitigate potential risks by applying the recommended security updates outlined in Microsoft’s advisory.

Affected Version(s)

.NET 7.0 Unknown 7.0.0 < 7.0.13

Microsoft Visual Studio 2022 version 17.2 Unknown 17.2.0 < 17.2.21

Microsoft Visual Studio 2022 version 17.4 Unknown 17.4.0 < 17.4.13

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.