CVE-2020-15509

EUVD-2020-7501
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).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Affected Products (NVD)
VendorProductVersion
nordicsemiandroid_ble_library
𝑥
≤ 2.2.1
nordicsemidfu_library
𝑥
≤ 1.10.4
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master
https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release
https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/
https://github.com/NordicSemiconductor/Android-BLE-Library/commits/master
https://github.com/NordicSemiconductor/Android-DFU-Library/commits/release
https://secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-from-nordicsemis-android-library-cve-2020-15509/