Vulnerability Database

315,293

Total vulnerabilities in the database

CVE-2021-1684

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

  • Published: Jan 12, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-1684
  • Severity: Medium
  • Exploit:

CVSS v3:

  • Severity: Medium
  • Score: 5
  • AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Low
  • Score: 2.1
  • AV:L/AC:L/Au:N/C:P/I:N/A:N

No CWE or OWASP classifications available.