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

CVSS Version 3.1

microsoft

CVE ID: CVE-2021-1638
Base Score: 7.7
Base Severity: HIGH
Vector String:CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Impact Score: 5.2
Exploitability Score: 2.5

nvd

CVE ID: CVE-2021-1638
Base Score: 5.5
Base Severity: MEDIUM
Vector String:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 1.8

CVSS Version 2.0

nvd

CVE ID: CVE-2021-1638
Base Score: 2.1
Base Severity: LOW
Vector String:AV:L/AC:L/Au:N/C:P/I:N/A:N

Refrence: NVDMITRE