CVE-2023-21538
HIGH7.5EPSS 1.1%.NET Denial of Service Vulnerability
Published: 1/10/2023Modified: 9/4/2025
Also known as:GHSA-8f7f-vqg5-jrv9BIT-dotnet-2023-21538BIT-dotnet-sdk-2023-21538BIT-powershell-2023-21538
Description
.NET Denial of Service Vulnerability
Affected packages (15)
- Bitnami/dotnet>= 6.0.0, < 6.0.1
- Bitnami/dotnet-sdk>= 6.0.0, < 6.0.1
- Bitnami/powershell>= 7.2.0, <= 7.2.0
- NuGet/Microsoft.NETCore.App.Runtime.linux-arm>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.linux-arm64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.linux-musl-arm>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.linux-musl-arm64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.linux-musl-x64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.linux-x64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.osx-arm64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.osx-x64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.win-arm>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.win-arm64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.win-x64>= 6.0.0, < 6.0.13
- NuGet/Microsoft.NETCore.App.Runtime.win-x86>= 6.0.0, < 6.0.13
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References (7)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2023-21538
- PATCHhttps://github.com/dotnet/runtime
- WEBhttps://github.com/dotnet/runtime/security/advisories/GHSA-8f7f-vqg5-jrv9
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/GV5QDWYJ4C26JB7RTI55Z4O76WSH4FMV
- WEBhttps://lists.fedoraproject.org/archives/list/[email protected]/message/ZI27LYW5C4Z4644WYIQWOXBZL7WIP2X6
- WEBhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21538
- WEBhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21538