CVE-2023-35391

HighCVSS 7.5/10Last modified Aug 10, 2026

Description

ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected software

Vendor	Product	Versions
Microsoft	.NET 6.0	>= 6.0.0, < 6.0.21
Microsoft	.NET 7.0	>= 7.0.0, < 7.0.10
Microsoft	ASP.NET Core 2.1	>= 2.0, < 2.1.40
Microsoft	Microsoft Visual Studio 2022 version 17.2	>= 17.2.0, < 17.2.18
Microsoft	Microsoft Visual Studio 2022 version 17.4	>= 17.4.0, < 17.4.10
Microsoft	Microsoft Visual Studio 2022 version 17.6	>= 17.6.0, < 17.6.6

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35391Patch, Vendor Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35391Patch, Vendor Advisory

Timeline

Published: Aug 8, 2023
Last modified: Aug 10, 2026
NVD status: Modified

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