vulnerability
Arch Linux: Private key recovery (CVE-2020-26556)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 3 | (AV:A/AC:M/Au:N/C:P/I:N/A:N) | May 24, 2021 | Jul 11, 2025 | Jul 10, 2026 |
Severity
3
CVSS
(AV:A/AC:M/Au:N/C:P/I:N/A:N)
Published
May 24, 2021
Added
Jul 11, 2025
Modified
Jul 10, 2026
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.
Solution
arch-linux-upgrade-latest
References
- CVE-2020-26556
- https://attackerkb.com/topics/CVE-2020-26556
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-19101
- https://kb.cert.org/vuls/id/799380
- https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
- https://www.kb.cert.org/vuls/id/799380
- CWE-307
- EUVD-EUVD-2020-19101
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.