CVE-2020-26555

Name: CVE-2020-26555
Creator: NVD / NIST
Published: 2021-05-24T18:15:07.837+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.89%

Last modified Jun 17, 2026

CVE-2020-26555 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.89% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.89%

54.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Bluetooth	Bluetooth Core Specification	>= 1.1b, <= 5.2
Fedoraproject	Fedora	34
Intel	Ax210 Firmware	All versions
Intel	Ax201 Firmware	All versions
Intel	Ax200 Firmware	All versions
Intel	Ac 9560 Firmware	All versions
Intel	Ac 9462 Firmware	All versions
Intel	Ac 9461 Firmware	All versions
Intel	Ac 9260 Firmware	All versions
Intel	Ac 8265 Firmware	All versions
Intel	Ac 8260 Firmware	All versions
Intel	Ac 3168 Firmware	All versions
Intel	Ac 7265 Firmware	All versions
Intel	Ac 3165 Firmware	All versions
Intel	Killer Wi-Fi 6e Ax1675 Firmware	All versions
Intel	Killer Wi-Fi 6 Ax1650 Firmware	All versions
Intel	Killer Ac 1550 Firmware	All versions

References

https://kb.cert.org/vuls/id/799380Third Party Advisory, US Government Resource
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NSS6CTGE4UGTJLCOZOASDR3T3SLL6QJZ/
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00520.htmlThird Party Advisory
https://kb.cert.org/vuls/id/799380Third Party Advisory, US Government Resource
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NSS6CTGE4UGTJLCOZOASDR3T3SLL6QJZ/
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/Vendor Advisory
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00520.htmlThird Party Advisory
https://www.kb.cert.org/vuls/id/799380

Timeline

Published: May 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-26555?

How severe is CVE-2020-26555?

CVE-2020-26555 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.89% probability of exploitation in the next 30 days.

How do I fix CVE-2020-26555?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-26555?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST