Vulnerability · Published Feb 9, 2022 · Assigned by microsoft
CVE-2022-21986.NET Denial of Service Vulnerability
High 7.5
In plain English
A high-severity security flaw in Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)3.7%top 10.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
.NET Denial of Service Vulnerability
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | aspnetcore-runtime-6.0 | 6.0.2-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | aspnetcore-targeting-pack-6.0 | 6.0.2-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet | 6.0.102-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet-apphost-pack-6.0 | 6.0.2-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet-host | 6.0.2-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet-hostfxr-6.0 | 6.0.2-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet-runtime-6.0 | 6.0.2-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet-sdk-6.0 | 6.0.102-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet-targeting-pack-6.0 | 6.0.2-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | dotnet-templates-6.0 | 6.0.102-1.el8_5 | ALSA-2022:0496 |
| AlmaLinux:8 | netstandard-targeting-pack-2.1 | 6.0.102-1.el8_5 | ALSA-2022:0496 |
| NuGet | microsoft.aspnetcore.app.runtime.linux-arm | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-arm | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-arm64 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-arm64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-musl-arm | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-musl-arm | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-musl-arm64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-musl-arm64 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-musl-x64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-musl-x64 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-x64 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.linux-x64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.osx-arm64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.osx-x64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.osx-x64 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-arm | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-arm | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-arm64 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-arm64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-x64 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-x64 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-x86 | 6.0.2 | GHSA-x459-p2rx-f8ff |
| NuGet | microsoft.aspnetcore.app.runtime.win-x86 | 5.0.14 | GHSA-x459-p2rx-f8ff |
| Rocky Linux:8 | dotnet5.0 | 0:5.0.211-1.el8_5 | RLSA-2022:0495 |
| Rocky Linux:8 | dotnet6.0 | 0:6.0.102-1.el8_5 | RLSA-2022:0496 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) | 15.0.0 – before 16.9.17 |
| Microsoft | Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) | 16.11.0 – before 16.11.10 |
| Microsoft | Microsoft Visual Studio 2022 version 17.0 | 17.0.0 – before 17.0.6 |
| Microsoft | Visual Studio 2019 for Mac version 8.10 | 8.1.0 – before 8.10.18 |
| Microsoft | .NET 5.0 | 5.0.0 – before 5.0.14 |
| Microsoft | .NET 6.0 | 6.0.0 – before 6.0.2 |
References
- .NET Denial of Service Vulnerability vendor-advisory