CVEs / CVE-2023-38180
CVE-2023-38180: Microsoft .NET Core and Visual Studio Denial-of-Service Vulnerability
- Known exploited in the CISA KEV catalog since 9 Aug 2023
- high 7.5 CVSS 3.1 (from the CNA)
- EPSS 14.1% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft .NET Core and Visual Studio contain an unspecified vulnerability that allows for denial-of-service (DoS).
Description
.NET and Visual Studio Denial of Service Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft .NET 6.0 | from 6.0.0, before 6.0.21 | 6.0.21 |
| Microsoft .NET 7.0 | from 7.0.0, before 7.0.10 | 7.0.10 |
| Microsoft ASP.NET Core 2.1 | from 2.0, before 2.1.40 | 2.1.40 |
| Microsoft Microsoft Visual Studio 2022 version 17.2 | from 17.2.0, before 17.2.18 | 17.2.18 |
| Microsoft Microsoft Visual Studio 2022 version 17.4 | from 17.4.0, before 17.4.10 | 17.4.10 |
| Microsoft Microsoft Visual Studio 2022 version 17.6 | from 17.6.0, before 17.6.6 | 17.6.6 |
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet) | from 7.0.0, before 7.0.10 | 7.0.10 |
| Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) | from 7.0.0, before 7.0.10 | 7.0.10 |
| Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) | from 7.0.0, before 7.0.10 | 7.0.10 |
| Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv (NuGet) | from 6.0.0, before 6.0.21 | 6.0.21 |
| Microsoft.AspNetCore.App.Runtime.win-arm64 (NuGet) | from 6.0.0, before 6.0.21 | 6.0.21 |
| Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) | from 6.0.0, before 6.0.21 | 6.0.21 |
| Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) | from 6.0.0, before 6.0.21 | 6.0.21 |
| Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv (NuGet) | before 2.1.40 | 2.1.40 |
| Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets (NuGet) | before 2.1.40 | 2.1.40 |
Package versions from GHSA-vmch-3w2x-vhgq.
Exploitation
| In CISA KEV since | 9 Aug 2023 |
|---|---|
| Due date for US federal agencies | 30 Aug 2023 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HScored by the CNA ([email protected]) |
|---|---|
| Weakness | CWE-400 |
References
- CVE-2023-38180 on NVD
- CVE-2023-38180 in the CISA KEV catalog
- https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-38180 (cited by CISA)
- CVE-2023-38180 on OSV
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38180 Patch, Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/CL2L4WE5QRT7WEXANYXSKSU43APC5N2V/ Mailing List
- https://lists.fedoraproject.org/archives/list/[email protected]/message/NWVZFKTLNMNKPZ755EMRYIA6GHFOWGKY/ Mailing List
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38180 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.