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    CVE-2020-26555

    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.

    Published:May 24, 2021
    Last Modified:Nov 4, 2025
    EPS:May 24, 2021
    EPSS Score:0.00232
    CVSS Score:5.4

    Affected Products

    Vendor
    Bluetooth
    Product
    Bluetooth Core Specification
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Intel
    Product
    Ac 3165
    Vendor
    Intel
    Product
    Ac 3165 Firmware
    Vendor
    Intel
    Product
    Ac 3168
    Vendor
    Intel
    Product
    Ac 3168 Firmware
    Vendor
    Intel
    Product
    Ac 7265
    Vendor
    Intel
    Product
    Ac 7265 Firmware
    Vendor
    Intel
    Product
    Ac 8260
    Vendor
    Intel
    Product
    Ac 8260 Firmware
    Vendor
    Intel
    Product
    Ac 8265
    Vendor
    Intel
    Product
    Ac 8265 Firmware
    Vendor
    Intel
    Product
    Ac 9260
    Vendor
    Intel
    Product
    Ac 9260 Firmware
    Vendor
    Intel
    Product
    Ac 9461
    Vendor
    Intel
    Product
    Ac 9461 Firmware
    Vendor
    Intel
    Product
    Ac 9462
    Vendor
    Intel
    Product
    Ac 9462 Firmware
    Vendor
    Intel
    Product
    Ac 9560
    Vendor
    Intel
    Product
    Ac 9560 Firmware
    Vendor
    Intel
    Product
    Ax200
    Vendor
    Intel
    Product
    Ax200 Firmware
    Vendor
    Intel
    Product
    Ax201
    Vendor
    Intel
    Product
    Ax201 Firmware
    Vendor
    Intel
    Product
    Ax210
    Vendor
    Intel
    Product
    Ax210 Firmware
    Vendor
    Intel
    Product
    Killer Ac 1550
    Vendor
    Intel
    Product
    Killer Ac 1550 Firmware
    Vendor
    Intel
    Product
    Killer Wi-fi 6 Ax1650
    Vendor
    Intel
    Product
    Killer Wi-fi 6 Ax1650 Firmware
    Vendor
    Intel
    Product
    Killer Wi-fi 6e Ax1675
    Vendor
    Intel
    Product
    Killer Wi-fi 6e Ax1675 Firmware
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    No exploit reference

    Related CVEs

    CVE-2023-24023 (CVSS 6.8) — Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specifica…
    CVE-2022-24695 (CVSS 4.3) — Bluetooth Classic in Bluetooth Core Specification through 5.3 does not properly conceal device information for…
    CVE-2022-25836 (CVSS 7.5) — Bluetooth® Low Energy Pairing in Bluetooth Core Specification v4.0 through v5.3 may permit an unauthenticated …
    CVE-2022-25837 (CVSS 7.5) — Bluetooth® Pairing in Bluetooth Core Specification v1.0B through v5.3 may permit an unauthenticated MITM to ac…
    CVE-2020-35473 (CVSS 4.3) — An information leakage vulnerability in the Bluetooth Low Energy advertisement scan response in Bluetooth Core…
    CVE-2021-31615 (CVSS 5.3) — Unencrypted Bluetooth Low Energy baseband links in Bluetooth Core Specifications 4.0 through 5.2 may permit an…
    CVE-2020-26558 (CVSS 4.2) — Bluetooth LE and BR/EDR secure pairing in Bluetooth Core Specification 2.1 through 5.2 may permit a nearby man…
    CVE-2020-26556 (CVSS 7.5) — Mesh Provisioning in the Bluetooth Mesh profile 1.0 and 1.0.1 may permit a nearby device, able to conduct a su…
    CVE-2020-15802 (CVSS 5.9) — Devices supporting Bluetooth before 5.1 may allow man-in-the-middle attacks, aka BLURtooth. Cross Transport Ke…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High