Buffer overflow in Silabs Bluetooth Low Energy Software Development Kit
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 class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.032 (87.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.032 · change: -0.008
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.blackhat.com/us-20/briefings/schedule/ (Third Party Advisory)
- github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_… (Exploit, Third Party Advisory)
- www.youtube.com/watch (Exploit, Third Party Advisory)
- github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEs (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-15531?
- CVE-2020-15531 is a high-severity vulnerability in Silabs Bluetooth Low Energy Software Development Kit, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2020-08-20.
- How severe is CVE-2020-15531?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-15531 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.