Vulnerability · Published Oct 13, 2021 · Assigned by microsoft
CVE-2021-41355.NET Core and Visual Studio Information Disclosure Vulnerability
Medium 5.7
In plain English
A medium-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 20.3% (higher than 97% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)5.7Medium
Exploit odds (30 days)20.3%top 2.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
.NET Core and Visual Studio Information Disclosure Vulnerability
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | aspnetcore-runtime-5.0 | 5.0.11-1.el8_4 | ALSA-2021:3819 |
| AlmaLinux:8 | aspnetcore-targeting-pack-5.0 | 5.0.11-1.el8_4 | ALSA-2021:3819 |
| AlmaLinux:8 | dotnet-apphost-pack-5.0 | 5.0.11-1.el8_4 | ALSA-2021:3819 |
| AlmaLinux:8 | dotnet-hostfxr-5.0 | 5.0.11-1.el8_4 | ALSA-2021:3819 |
| AlmaLinux:8 | dotnet-runtime-5.0 | 5.0.11-1.el8_4 | ALSA-2021:3819 |
| AlmaLinux:8 | dotnet-sdk-5.0 | 5.0.208-1.el8_4 | ALSA-2021:3819 |
| AlmaLinux:8 | dotnet-targeting-pack-5.0 | 5.0.11-1.el8_4 | ALSA-2021:3819 |
| AlmaLinux:8 | dotnet-templates-5.0 | 5.0.208-1.el8_4 | ALSA-2021:3819 |
| NuGet | system.directoryservices.protocols | 5.0.1 | GHSA-9cxh-gqpx-qc5m |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | PowerShell 7.1 | 7.1.0 – before 7.1.5 |
| Microsoft | Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) | 15.0.0 – before 16.9.12 |
| Microsoft | Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) | 16.11.0 – before 16.11.5 |
| Microsoft | .NET 5.0 | 5.0.0 – before 5.0.11 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41355 x_refsource_MISC
- https://www.oracle.com/security-alerts/cpujan2022.html x_refsource_MISC