CVE-2020-26555
Advisory lineage Upstream: 0 Downstream: 20
Modified
Published: 24 May 2021, 17:41
Last modified:04 Nov 2025, 19:12
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.4 MEDIUM
v3.1 (nvd)
EPSS Score
0.12% LOW
0% probability -0.07%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
24 May 2021, 17:41
Published
Vulnerability first disclosed
04 Nov 2025, 19:12
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.4CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- v2.0•MEDIUM•Score: 4.8AV:A/AC:L/Au:N/C:P/I:P/A:N
EPSS Trends
Current EPSS score: 0.12%• Percentile: 31%
Techniques & Countermeasures
- CWE-863•Incorrect Authorization
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.
Affected Systems
- bluetooth•bluetooth_core_specification
≥ 1.1b, ≤ 5.2
- fedoraproject•fedora
34
- intel•ac_3165_firmware
na
- intel•ac_3168_firmware
na
- intel•ac_7265_firmware
na
- intel•ac_8260_firmware
na
- intel•ac_8265_firmware
na
- intel•ac_9260_firmware
na
- intel•ac_9461_firmware
na
- intel•ac_9462_firmware
na
- intel•ac_9560_firmware
na
- intel•ax200_firmware
na
- intel•ax201_firmware
na
- intel•ax210_firmware
na
- intel•killer_ac_1550_firmware
na
- intel•killer_wi-fi_6_ax1650_firmware
na
- intel•killer_wi-fi_6e_ax1675_firmware
na
References (5)
- https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/reporting-security/
- https://kb.cert.org/vuls/id/799380
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NSS6CTGE4UGTJLCOZOASDR3T3SLL6QJZ/
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00520.html
- https://www.kb.cert.org/vuls/id/799380