CVE-2023-21538
.NET Denial of Service Vulnerability
CVE-2023-21538 is fixed in 23 products on 3 platforms, first by PowerShell 7.2.1.0, released December 8, 2021. It is not reported as exploited. Patch Radar priority: High.
HighFixed on 3 platforms
CVSS
7.5
Important
Exploitation
None reported
N/A
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0284
86th percentile
.NET Denial of Service Vulnerability
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| .NET 6.0 | KB5022546 | Jan 10, 2023 | |
| Windows apps | |||
| PowerShell | 7.2.1.0 | PowerShell 7.2.1.0 | Dec 8, 2021 |
| Linux | |||
| aspnetcore-runtime-6.0 · RHEL 8 | 0:6.0.13-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| aspnetcore-runtime-6.0 · RHEL 9 | 0:6.0.13-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| aspnetcore-runtime-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | aspnetcore-runtime-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| aspnetcore-runtime-6.0 · almalinux 8 | 6.0.13-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| aspnetcore-runtime-6.0 · almalinux 9 | 6.0.13-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| aspnetcore-runtime-6.0 · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| aspnetcore-runtime-6.0 · ol 8 | 0:6.0.13-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| aspnetcore-runtime-6.0 · ol 9 | 0:6.0.13-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| aspnetcore-targeting-pack-6.0 · RHEL 8 | 0:6.0.13-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| aspnetcore-targeting-pack-6.0 · RHEL 9 | 0:6.0.13-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| aspnetcore-targeting-pack-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | aspnetcore-targeting-pack-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| aspnetcore-targeting-pack-6.0 · almalinux 8 | 6.0.13-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| aspnetcore-targeting-pack-6.0 · almalinux 9 | 6.0.13-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| aspnetcore-targeting-pack-6.0 · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| aspnetcore-targeting-pack-6.0 · ol 8 | 0:6.0.13-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| aspnetcore-targeting-pack-6.0 · ol 9 | 0:6.0.13-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-apphost-pack-6.0 · RHEL 8 | 0:6.0.13-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| dotnet-apphost-pack-6.0 · RHEL 9 | 0:6.0.13-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| dotnet-apphost-pack-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-apphost-pack-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-apphost-pack-6.0 · almalinux 8 | 6.0.13-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| dotnet-apphost-pack-6.0 · almalinux 9 | 6.0.13-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| dotnet-apphost-pack-6.0 · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-apphost-pack-6.0 · ol 8 | 0:6.0.13-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| dotnet-apphost-pack-6.0 · ol 9 | 0:6.0.13-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet-apphost-pack-6.0-debuginfo · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-host · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-host 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-host · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-host-debuginfo · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-hostfxr-6.0 · RHEL 8 | 0:6.0.13-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| dotnet-hostfxr-6.0 · RHEL 9 | 0:6.0.13-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| dotnet-hostfxr-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-hostfxr-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-hostfxr-6.0 · almalinux 8 | 6.0.13-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| dotnet-hostfxr-6.0 · almalinux 9 | 6.0.13-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| dotnet-hostfxr-6.0 · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-hostfxr-6.0 · ol 8 | 0:6.0.13-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| dotnet-hostfxr-6.0 · ol 9 | 0:6.0.13-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet-hostfxr-6.0-debuginfo · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-runtime-6.0 · RHEL 8 | 0:6.0.13-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| dotnet-runtime-6.0 · RHEL 9 | 0:6.0.13-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| dotnet-runtime-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-runtime-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-runtime-6.0 · almalinux 8 | 6.0.13-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| dotnet-runtime-6.0 · almalinux 9 | 6.0.13-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| dotnet-runtime-6.0 · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-runtime-6.0 · ol 8 | 0:6.0.13-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| dotnet-runtime-6.0 · ol 9 | 0:6.0.13-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet-runtime-6.0-debuginfo · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-sdk-6.0 · RHEL 8 | 0:6.0.113-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| dotnet-sdk-6.0 · RHEL 9 | 0:6.0.113-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| dotnet-sdk-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-sdk-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-sdk-6.0 · almalinux 8 | 6.0.113-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| dotnet-sdk-6.0 · almalinux 9 | 6.0.113-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| dotnet-sdk-6.0 · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-sdk-6.0 · ol 8 | 0:6.0.113-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| dotnet-sdk-6.0 · ol 9 | 0:6.0.113-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet-sdk-6.0-debuginfo · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · RHEL 8 | 0:6.0.113-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · RHEL 9 | 0:6.0.113-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-sdk-6.0-source-built-artifacts 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · almalinux 8 | 6.0.113-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · almalinux 9 | 6.0.113-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · ol 8 | 0:6.0.113-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| dotnet-sdk-6.0-source-built-artifacts · ol 9 | 0:6.0.113-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet-targeting-pack-6.0 · RHEL 8 | 0:6.0.13-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| dotnet-targeting-pack-6.0 · RHEL 9 | 0:6.0.13-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| dotnet-targeting-pack-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-targeting-pack-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-targeting-pack-6.0 · almalinux 8 | 6.0.13-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| dotnet-targeting-pack-6.0 · almalinux 9 | 6.0.13-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| dotnet-targeting-pack-6.0 · amzn 2023 | 6.0.18-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-targeting-pack-6.0 · ol 8 | 0:6.0.13-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| dotnet-targeting-pack-6.0 · ol 9 | 0:6.0.13-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet-templates-6.0 · RHEL 8 | 0:6.0.113-1.el8_7 | RHSA-2023:0079 | Jan 11, 2023 |
| dotnet-templates-6.0 · RHEL 9 | 0:6.0.113-1.el9_1 | RHSA-2023:0077 | Jan 11, 2023 |
| dotnet-templates-6.0 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet-templates-6.0 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet-templates-6.0 · almalinux 8 | 6.0.113-1.el8_7 | ALSA-2023:0079 | Jan 11, 2023 |
| dotnet-templates-6.0 · almalinux 9 | 6.0.113-1.el9_1 | ALSA-2023:0077 | Jan 11, 2023 |
| dotnet-templates-6.0 · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet-templates-6.0 · ol 8 | 0:6.0.113-1.0.1.el8_7 | ELSA-2023-0079 | Jan 12, 2023 |
| dotnet-templates-6.0 · ol 9 | 0:6.0.113-1.0.1.el9_1 | ELSA-2023-0077 | Jan 12, 2023 |
| dotnet6 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | dotnet6 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| dotnet6.0 · rocky 8 | 0:6.0.113-1.el8_7 | RLSA-2023:0079 | Jan 11, 2023 |
| dotnet6.0 · rocky 9 | 0:6.0.113-1.el9_1 | RLSA-2023:0077 | Jan 11, 2023 |
| dotnet6.0-debuginfo · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| dotnet6.0-debugsource · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
| netstandard-targeting-pack-2.1 · Ubuntu 22.04.1 LTS (jammy) | 6.0.113-0ubuntu1~22.04.1 | netstandard-targeting-pack-2.1 6.0.113-0ubuntu1~22.04.1 | Jan 9, 2023 |
| netstandard-targeting-pack-2.1 · amzn 2023 | 6.0.118-1.amzn2023.0.1 | ALAS2023-2023-242 | Jul 5, 2023 |
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