What is CVE-2021-31191?

CVE-2021-31191 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Projected File System FS Filter Driver Information Disclosure Vulnerability

Which CVE IDs does CVE-2021-31191 cover?

CVE-2021-31191 covers the following CVE IDs: CVE-2021-31191. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-31191?

CVE-2021-31191 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-31191?

CVE-2021-31191 affects 19 products, including: Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for ARM64-based Systems; Windows 10 Version 1803 for x64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for ARM64-based Systems; and others — see the full list on the advisory page.

CVE-2021-31191HighCVSS 5.5

Windows Projected File System FS Filter Driver Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 11, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-31191 →

📋 Description

What type of information could be disclosed by this vulnerability? The type of information that could be disclosed if an attacker successfully exploited this vulnerability is uninitialized memory.

🎯 Affected products19

Windows 10 Version 1803 for 32-bit Systems
Windows 10 Version 1803 for ARM64-based Systems
Windows 10 Version 1803 for x64-based Systems
Windows 10 Version 1809 for 32-bit Systems
Windows 10 Version 1809 for ARM64-based Systems
Windows 10 Version 1809 for x64-based Systems
Windows 10 Version 1909 for 32-bit Systems
Windows 10 Version 1909 for ARM64-based Systems
Windows 10 Version 1909 for x64-based Systems
Windows 10 Version 2004 for 32-bit Systems
Windows 10 Version 2004 for ARM64-based Systems
Windows 10 Version 2004 for x64-based Systems
Windows 10 Version 20H2 for 32-bit Systems
Windows 10 Version 20H2 for ARM64-based Systems
Windows Server 2019
Windows Server 2019 (Server Core installation)
Windows Server, version 1909 (Server Core installation)
Windows Server, version 2004 (Server Core installation)
Windows Server, version 20H2 (Server Core Installation)

✅ Remediation

KB5003174 (Security Update) — fixed build 10.0.17134.2207 KB5003171 (Security Update) — fixed build 10.0.17763.1935 KB5003169 (Security Update) — fixed build 10.0.18363.1556 KB5003173 (Security Update) — fixed build 10.0.19041.982 KB5003173 (Security Update) — fixed build 10.0.19042.982

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products19

✅ Remediation

🔗 References (8)