Vulnerability Details : CVE-2020-15531
Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This is an over-the-air remote code execution vulnerability in Bluetooth LE in EFR32 SoCs and associated modules running Bluetooth SDK, supporting Central or Observer roles.
Vulnerability category: OverflowExecute code
Products affected by CVE-2020-15531
- cpe:2.3:a:silabs:bluetooth_low_energy_software_development_kit:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-15531
1.87%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 87 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-15531
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:A/AC:L/Au:N/C:P/I:P/A:P |
6.5
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2020-15531
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-15531
-
https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs
publications/2020/TI_SILABS_BLE_RCEs at master · darkmentorllc/publications · GitHubThird Party Advisory
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https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.py
jackbnimble/silabs_efr32_extadv_rce.py at master · darkmentorllc/jackbnimble · GitHubExploit;Third Party Advisory
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https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655
Finding New Bluetooth Low Energy Exploits via Reverse Engineering Multiple Vendors' Firmwares - Black Hat USA 2020 | Briefings ScheduleThird Party Advisory
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https://www.youtube.com/watch?v=saoTr1NwdzM
Over-the-air exploitation of a Silicon Labs Bluetooth Low Energy chip via CVE-2020-15531 - YouTubeExploit;Third Party Advisory
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