CVE-2020-15531

moderate-risk
Published 2020-08-20

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.

Do I need to act?

~
9.7% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
8
CVSS 8.8/10 High
ADJACENT_NETWORK / LOW complexity

Affected Products (1)

Bluetooth Low Energy Software Development Kit

Affected Vendors

Silabs

References (8)

Exploit https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_...
Third Party Advisory https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCE...
Third Party Advisory https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-ene...
Exploit https://www.youtube.com/watch?v=saoTr1NwdzM
Exploit https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_...
Third Party Advisory https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCE...
Third Party Advisory https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-ene...
Exploit https://www.youtube.com/watch?v=saoTr1NwdzM
43
/ 100
moderate-risk
Severity 27/34 · High
Exploitability 11/34 · Low
Exposure 5/34 · Minimal