CVE-2020-26555 Auth bypass in n/a

Medium 5.4 Published Updated

An attacker can bypass Bluetooth PIN authentication by spoofing the peer device address, allowing unauthorized pairing.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2020-26555?

CVE-2020-26555 is a medium-severity authentication bypass vulnerability in Fedoraproject Fedora, published on 24 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Bluetooth legacy BR/EDR PIN code pairing in Bluetooth Core Specification 1.0B through 5.2 may permit an unauthenticated nearby device to spoof the BD_ADDR of the peer device to complete pairing without knowledge of the PIN.

Weakness: CWE-863

Which versions are affected by CVE-2020-26555?

It affects 17 products.

Products include Bluetooth Bluetooth Core Specification, Fedoraproject Fedora, Intel Ac 3165 Firmware, Intel Ac 3168 Firmware, Intel Ac 7265 Firmware, Intel Ac 8260 Firmware and 11 more.

How do I fix CVE-2020-26555?

Apply the vendor's patch.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2020-26555 being exploited?

There is no known exploitation of CVE-2020-26555 in the wild and no public exploit code.

All Fedoraproject Fedora vulnerabilities

Sources

Also known as A-174626251, ASB-A-174626251, GHSA-6vq6-ghrc-jpjw, UBUNTU-CVE-2020-26555.

Is CVE-2020-26555 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free