What is CVE-2021-1638?

CVE-2021-1638 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Bluetooth Security Feature Bypass Vulnerability

Which CVE IDs does CVE-2021-1638 cover?

CVE-2021-1638 covers the following CVE IDs: CVE-2021-1638. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2021-1638?

CVE-2021-1638 has a CVSS v3 base score of 7.7, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2021-1638?

CVE-2021-1638 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-2021-1638HighCVSS 7.7

Windows Bluetooth Security Feature Bypass Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

January 12, 2021

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2021-1638 →

📋 Description

Microsoft is aware of the "Impersonation in the Passkey Entry Protocol" vulnerability. For more information regarding the vulnerability, please see this statement from the Bluetooth SIG. To address the vulnerability, Microsoft has released a software update that will fail attempts to pair if the remote device exchanges a public key with the same X coordinate as the locally exchanged public key

🎯 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

KB4598242 (Security Update) KB4598245 (Security Update) KB4598230 (Security Update) KB4598229 (Security Update)

🔗 CVE IDs covered (1)

📋 Description

🎯 Affected products19

✅ Remediation

🔗 References (8)