CVE-2020-15509: nordicsemi android_ble_library
Vulnerability summary
CVE-2020-15509 is a medium (CVSS 6.5) vulnerability in nordicsemi android_ble_library. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 44.3% of scored vulnerabilities.
Timeline
- 07-07-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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).
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
0.54%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
0.00 pp
From 0.54% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nordicsemi2 products
- android_ble_library≤ 2.2.1
- dfu_library≤ 1.10.4
1 vendor · 2 products
References
3 links- github.com/NordicSemiconductor/Android-BLE-Library/commits/masterX Refsource MISCPatchThird Party Advisory
- github.com/NordicSemiconductor/Android-DFU-Library/commits/releaseX Refsource MISCPatchThird Party Advisory