What is CVE-2021-1637?

CVE-2021-1637 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows DNS Query Information Disclosure Vulnerability

Which CVE IDs does CVE-2021-1637 cover?

CVE-2021-1637 covers the following CVE IDs: CVE-2021-1637. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-1637?

CVE-2021-1637 has a CVSS v3 base score of 5.5, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-1637?

CVE-2021-1637 affects 30 products, including: Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for ARM64-based Systems; Windows 10 Version 1803 for x64-based Systems; and others — see the full list on the advisory page.

CVE-2021-1637HighCVSS 5.5

Windows DNS Query Information Disclosure Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

January 12, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-1637 →

📋 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 products30

Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1607 for x64-based Systems
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 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2012 R2
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016
Windows Server 2016 (Server Core installation)
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

KB4598245 (Security Update) KB4598230 (Security Update) KB4598229 (Security Update) KB4598242 (Security Update) KB4598231 (Security Update) KB4598243 (Security Update) KB4598285 (Monthly Rollup) KB4598275 (Security Only)

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products30

✅ Remediation

🔗 References (15)