Vulnerability Details : CVE-2020-26560
Bluetooth Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, reflecting the authentication evidence from a Provisioner, to complete authentication without possessing the AuthValue, and potentially acquire a NetKey and AppKey.
Products affected by CVE-2020-26560
- cpe:2.3:a:bluetooth:mesh_profile:1.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:bluetooth:mesh_profile:1.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-26560
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 31 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-26560
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.8
|
MEDIUM | AV:A/AC:L/Au:N/C:P/I:P/A:N |
6.5
|
4.9
|
NIST | |
|
8.1
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
2.8
|
5.2
|
NIST |
CWE ids for CVE-2020-26560
-
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-26560
-
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
Reporting Security Vulnerabilities | Bluetooth® Technology WebsiteVendor Advisory
-
https://kb.cert.org/vuls/id/799380
VU#799380 - Devices supporting Bluetooth Core and Mesh Specifications are vulnerable to impersonation attacks and AuthValue disclosureThird Party Advisory;US Government Resource
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