CVE-2021-37577

Published Oct 1, 2024

Last updated a day ago

Overview

Description
Bluetooth LE and BR/EDR Secure Connections pairing and Secure Simple Pairing using the Passkey entry protocol in Bluetooth Core Specifications 2.1 through 5.3 may permit an unauthenticated man-in-the-middle attacker to identify the Passkey used during pairing by reflection of a crafted public key with the same X coordinate as the offered public key and by reflection of the authentication evidence of the initiating device, potentially permitting this attacker to complete authenticated pairing with the responding device using the correct Passkey for the pairing session. This is a related issue to CVE-2020-26558.
Source
cve@mitre.org
NVD status
Awaiting Analysis

Risk scores

CVSS 3.1

Type
Secondary
Base score
6.8
Impact score
5.5
Exploitability score
1.3
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L
Severity
MEDIUM

Weaknesses

134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-639

Social media

Hype score
Not currently trending