Medium severity6.5NVD Advisory· Published Jul 7, 2020· Updated Jun 17, 2026

CVE-2020-15509

Description

Nordic Semiconductor Android BLE Library through 2.2.1 and DFU Library through 1.10.4 for Android (as used by nRF Connect and other applications) can engage in unencrypted communication while showing the user that the communication is purportedly encrypted. The problem is in bond creation (e.g., internalCreateBond in BleManagerHandler).

Affected products

Nordic Semiconductor/Android BLE Librarydescription
Nordic Semiconductor/DFU Libraryllm-create
Range: <=1.10.4
Nordic Semiconductor/Android BLE Libraryllm-fuzzy
Range: <=2.2.1

Patches

Vulnerability mechanics

References

github.com/NordicSemiconductor/Android-BLE-Library/commits/masternvdPatchThird Party Advisory
github.com/NordicSemiconductor/Android-DFU-Library/commits/releasenvdPatchThird Party Advisory
secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/nvdPatchThird Party Advisory

News mentions

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