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CVE-2020-26559

HIGH
8.8
CVSS Score
Published: May 24, 2021 at 05:13 PM UTC
Updated: June 17, 2026 at 03:08 AM UTC
1 product affected across 1 vendorMesh Profile

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Severity
HIGH8.8
Exploit prediction
EPSS 0.9%

Description

Bluetooth Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device (participating in the provisioning protocol) to identify the AuthValue used given the Provisioner’s public key, and the confirmation number and nonce provided by the provisioning device. This could permit a device without the AuthValue to complete provisioning without brute-forcing the AuthValue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://kb.cert.org/vuls/id/799380
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
Source: af854a3a-2127-422b-91ae-364da2661108
https://www.kb.cert.org/vuls/id/799380

CVSS

8.8HIGH[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-863

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