CVE-2021-1684

MediumCVSS 5.0/10Last modified Jun 17, 2026

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

Metrics

CVSS 3.1 5.0/10CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 20H2>= 10.0.0, < publication
MicrosoftWindows Server version 20H2>= 10.0.0, < publication
MicrosoftWindows 10 Version 1803>= 10.0.0, < publication
MicrosoftWindows 10 Version 1809>= 10.0.0, < publication
MicrosoftWindows Server 2019>= 10.0.0, < publication
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.0, < publication
MicrosoftWindows 10 Version 1909>= 10.0.0, < publication
MicrosoftWindows Server, version 1909 (Server Core installation)>= 10.0.0, < publication
MicrosoftWindows 10 Version 2004>= 10.0.0, < publication
MicrosoftWindows Server version 2004>= 10.0.0, < publication
MicrosoftWindows 10 Version 1507>= 10.0.0, < publication
MicrosoftWindows 10 Version 1607>= 10.0.0, < publication
MicrosoftWindows Server 2016>= 10.0.0, < publication
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.0, < publication
MicrosoftWindows 8.1>= 6.3.0, < publication
MicrosoftWindows Server 2012 R2>= 6.3.0, < publication
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.0, < publication

References

Timeline

Published
Jan 12, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-1684: Medium severity, CVSS 5.0 | Vulnix