VulnerabilityModified
CVE-2023-35391
ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability
HIGH 7.5EPSS 1.90%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
ASP.NET Core SignalR and Visual Studio Information Disclosure Vulnerability
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.90% probability · 79th percentile
- CISA KEV
- Not listed
- Affected
- microsoft/.net · microsoft/asp.net core · microsoft/visual studio 2022
- Source
- secure@microsoft.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.