CVE-2020-15531

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This...

8.8 High

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.

Attack profile

How easy it is to exploit

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

3.16%Up 0.9 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

Record: CVE-2020-15531
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 5.8 MediumAV:A/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-120
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-15531
Updated: 2026-11-02

EUVDEUVD-2020-7518 No score

Record: EUVD-2020-7518
Updated: 2026-11-03

GitHub AdvisoriesGHSA-7x2r-4hx9-vpj8 No score

Silicon Labs Bluetooth Low Energy SDK before 2.13.3 has a buffer overflow via packet data. This...

Record: GHSA-7x2r-4hx9-vpj8
Updated: 2026-11-02

Affected products

silabs bluetooth low energy software development kit

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-15531 is a high vulnerability (CVSS 8.8) in Silabs Bluetooth Low Energy Software Development Kit, published August 19, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.16%, the 88th percentile. No source names a fixed version.