Vulnerability · Published Jan 12, 2021 · Assigned by microsoft

CVE-2021-1683Windows Bluetooth Security Feature Bypass Vulnerability

Medium 5.0

In plain English

A medium-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)1.7%top 23.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 20H2 10.0.0 – before publication
Microsoft Windows Server version 20H2 10.0.0 – before publication
Microsoft Windows 10 Version 1803 10.0.0 – before publication
Microsoft Windows 10 Version 1809 10.0.0 – before publication
Microsoft Windows Server 2019 10.0.0 – before publication
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 1909 10.0.0 – before publication
Microsoft Windows Server, version 1909 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 10 Version 2004 10.0.0 – before publication
Microsoft Windows Server version 2004 10.0.0 – before publication
Microsoft Windows 10 Version 1507 10.0.0 – before publication
Microsoft Windows 10 Version 1607 10.0.0 – before publication
Microsoft Windows Server 2016 10.0.0 – before publication
Microsoft Windows Server 2016 (Server Core installation) 10.0.0 – before publication
Microsoft Windows 8.1 6.3.0 – before publication
Microsoft Windows Server 2012 R2 6.3.0 – before publication
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.0 – before publication

References