CVE-2021-1683: Windows Bluetooth Security Feature Bypass Vulnerability
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
Other sources
Windows Bluetooth Security Feature Bypass Vulnerability
— Microsoft
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2021-1683?
CVE-2021-1683 is classified as a moderate severity vulnerability in Microsoft's Passkey Entry Protocol.
How do I fix CVE-2021-1683?
To fix CVE-2021-1683, apply the relevant security patches provided by Microsoft for your affected Windows version.
Which products are affected by CVE-2021-1683?
CVE-2021-1683 affects various versions of Windows 10, Windows Server 2016, Windows Server 2019, and Windows Server 2012 R2.
What are the potential impacts of CVE-2021-1683?
CVE-2021-1683 could allow an attacker to impersonate a device during the key establishment process.
Is there a workaround for CVE-2021-1683?
There are no official workarounds announced for CVE-2021-1683; patching is recommended as the primary mitigative action.