CVE Vulnerability

CVE-2020-26556

Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a successful brute-force attack on an insufficiently random AuthValue before the provisioning procedure times out, to complete authentication by leveraging Malleable Commitment.

2.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 5.5 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://kb.cert.org/vuls/id/799380 Third Party Advisory US Government Resource
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/ Vendor Advisory
https://www.kb.cert.org/vuls/id/799380 Third Party Advisory US Government Resource
Configurations

Configuration 1

cpe:2.3:a:bluetooth:mesh_profile:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:bluetooth:mesh_profile:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:bluetooth:bluetooth_core_specification:*:*:*:*:*:*:*:*
Information

Published : 2021-05-24 06:15

Updated : 2022-04-29 02:10

NVD link : CVE-2020-26556

Mitre link : CVE-2020-26556

Products Affected
No products.
CWE
CWE-307

Improper Restriction of Excessive Authentication Attempts