Vulnerability in Nordicsemi Android Ble Library
CVE-2020-15509
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).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (43.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/NordicSemiconductor/Android-BLE-Library/commits/master (Patch, Third Party Advisory)
- github.com/NordicSemiconductor/Android-DFU-Library/commits/release (Patch, Third Party Advisory)
- secretdiary.ninja/index.php/2020/07/03/norec-attack-stripping-ble-encryption-fr… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15509?
- CVE-2020-15509 is a medium-severity vulnerability in Nordicsemi Android Ble Library, classified under Cleartext Transmission of Sensitive Information. CVSS score: 6.5/10. Published 2020-07-07.
- How severe is CVE-2020-15509?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2020-15509 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.