CVE-2020-26556

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 2.50% Top 20%
Vendor Advisory bluetooth.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.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://kb.cert.org/vuls/id/799380 third party advisory us government resource

Frequently Asked Questions

What is the severity of CVE-2020-26556?
CVE-2020-26556 has been scored as a high severity vulnerability.
How to fix CVE-2020-26556?
To fix CVE-2020-26556, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26556 being actively exploited in the wild?
It is possible that CVE-2020-26556 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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