CVE-2021-31191: Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
First published: Tue May 11 2021(Updated: )
Windows Projected File System FS Filter Driver Information Disclosure Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =20h2 | |
| Microsoft Windows 10 | =1803 | |
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1903 | |
| Microsoft Windows 10 | =1909 | |
| Microsoft Windows 10 | =2004 | |
| Microsoft Windows Server 2016 | =20h2 | |
| Microsoft Windows Server 2016 | =1909 | |
| Microsoft Windows Server 2016 | =2004 | |
| Microsoft Windows Server 2019 |
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Frequently Asked Questions
What is CVE-2021-31191?
CVE-2021-31191 is a Windows Projected File System FS Filter Driver Information Disclosure Vulnerability.
Which versions of Windows are affected by CVE-2021-31191?
Windows 10 versions 20h2, 1803, 1809, 1903, 1909, and 2004, as well as Windows Server 2016 versions 20h2, 1909, 2004, and Windows Server 2019 are affected by CVE-2021-31191.
What is the severity of CVE-2021-31191?
CVE-2021-31191 has a severity level of medium with a CVSS score of 5.5.
What is the official advisory for CVE-2021-31191?
The official advisory for CVE-2021-31191 can be found at: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31191
How do I fix CVE-2021-31191?
To fix CVE-2021-31191, apply the latest security updates provided by Microsoft.
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- agent/last-modified-date
- agent/first-publish-date
- agent/softwarecombine
- collector/nvd-api
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- collector/nvd-index
- agent/references
- agent/title
- agent/remedy
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- collector/mitre-cve
- source/MITRE
- vendor/microsoft
- canonical/microsoft windows 10
- version/microsoft windows 10/20h2
- version/microsoft windows 10/1803
- version/microsoft windows 10/1809
- version/microsoft windows 10/1903
- version/microsoft windows 10/1909
- version/microsoft windows 10/2004
- canonical/microsoft windows server 2016
- version/microsoft windows server 2016/20h2
- version/microsoft windows server 2016/1909
- version/microsoft windows server 2016/2004
- canonical/microsoft windows server 2019