CVE-2021-31957: ASP.NET Core Denial of Service Vulnerability
First published: Tue Jun 08 2021(Updated: )
ASP.NET Core Denial of Service Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft .NET | >=5.0<=5.0.6 | |
| Microsoft .NET Core | >=3.1<=3.1.15 | |
| Microsoft Visual Studio 2019 | >=16.0<=16.10 | |
| Microsoft Visual Studio 2019 Macos | =8.10 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =34 |
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Reference Links
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/
Frequently Asked Questions
What is CVE-2021-31957?
CVE-2021-31957 is an ASP.NET Denial of Service Vulnerability.
What software is affected by CVE-2021-31957?
Microsoft .NET, Microsoft .NET Core, Microsoft Visual Studio 2019, and Fedoraproject Fedora are affected by CVE-2021-31957.
What is the severity of CVE-2021-31957?
The severity of CVE-2021-31957 is high with a CVSS score of 5.9.
How can I mitigate CVE-2021-31957?
Apply the relevant security updates provided by the software vendor to mitigate CVE-2021-31957.
Where can I find more information about CVE-2021-31957?
You can find more information about CVE-2021-31957 at the following references: [Reference 1](https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/), [Reference 2](https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/), [Reference 3](https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/).
- agent/author
- agent/first-publish-date
- agent/type
- agent/event
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/severity
- agent/references
- agent/remedy
- agent/softwarecombine
- agent/description
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/title
- agent/tags
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- vendor/microsoft
- canonical/microsoft .net
- version/microsoft .net/5.0
- version/microsoft .net/5.0.6
- canonical/microsoft .net core
- version/microsoft .net core/3.1
- version/microsoft .net core/3.1.15
- canonical/microsoft visual studio 2019
- version/microsoft visual studio 2019/16.0
- version/microsoft visual studio 2019/16.10
- canonical/microsoft visual studio 2019 macos
- version/microsoft visual studio 2019 macos/8.10
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/34