VulnerabilityModified
CVE-2020-15531
Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data.
HIGH 8.8EPSS 4.00%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.00%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.00% probability · 90th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- silabs/bluetooth low energy software development kit
- Source
- cve@mitre.org
References
- https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.pyExploit, Third Party Advisory
- https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEsThird Party Advisory
- https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655Third Party Advisory
- https://www.youtube.com/watch?v=saoTr1NwdzMExploit, Third Party Advisory
- https://github.com/darkmentorllc/jackbnimble/blob/master/host/pocs/silabs_efr32_extadv_rce.pyExploit, Third Party Advisory
- https://github.com/darkmentorllc/publications/tree/master/2020/TI_SILABS_BLE_RCEsThird Party Advisory
- https://www.blackhat.com/us-20/briefings/schedule/#finding-new-bluetooth-low-energy-exploits-via-reverse-engineering-multiple-vendors-firmwares-19655Third Party Advisory
- https://www.youtube.com/watch?v=saoTr1NwdzMExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.