CVE-2023-38180
HighActively exploited (CISA KEV)
Description
.NET and Visual Studio Denial of Service Vulnerability
SeverityHigh
CVSS7.5
Exploit probability—
Product
Microsoft .NET Core and Visual Studio
PublishedAug 8, 2023
First seenAug 8, 2023
Added to KEVAug 9, 2023
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA due date: Aug 30, 2023Update
- microsoft .net6.0.21, 7.0.10 or later
- microsoft asp.net_core2.1.40 or later
- microsoft visual_studio_202217.2.18, 17.4.10, 17.6.6 or later
- Microsoft.AspNetCore.App.Runtime.win-arm647.0.10, 6.0.21 or later
- Microsoft.AspNetCore.App.Runtime.win-x647.0.10, 6.0.21 or later
- Microsoft.AspNetCore.App.Runtime.win-x867.0.10, 6.0.21 or later
- Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv6.0.21, 2.1.40 or later
- Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets2.1.40 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft .net | 6.0.0 ≤ v < 6.0.21, 7.0.0 ≤ v < 7.0.10 | 6.0.21, 7.0.10 |
| microsoft asp.net_core | 2.1 ≤ v < 2.1.40 | 2.1.40 |
| microsoft visual_studio_2022 | 17.2.0 ≤ v < 17.2.18, 17.4.0 ≤ v < 17.4.10, 17.6.0 ≤ v < 17.6.6 | 17.2.18, 17.4.10, 17.6.6 |
| fedoraproject fedora | 37, 38 | — |
| Microsoft.AspNetCore.App.Runtime.win-arm64NuGet | 7.0.0 ≤ v < 7.0.10, 6.0.0 ≤ v < 6.0.21 | 7.0.10, 6.0.21 |
| Microsoft.AspNetCore.App.Runtime.win-x64NuGet | 7.0.0 ≤ v < 7.0.10, 6.0.0 ≤ v < 6.0.21 | 7.0.10, 6.0.21 |
| Microsoft.AspNetCore.App.Runtime.win-x86NuGet | 7.0.0 ≤ v < 7.0.10, 6.0.0 ≤ v < 6.0.21 | 7.0.10, 6.0.21 |
| Microsoft.AspNetCore.Server.Kestrel.Transport.LibuvNuGet | 6.0.0 ≤ v < 6.0.21, v < 2.1.40 | 6.0.21, 2.1.40 |
| Microsoft.AspNetCore.Server.Kestrel.Transport.SocketsNuGet | v < 2.1.40 | 2.1.40 |
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