VULNERABILITY INTELLIGENCE

CVE-2023-4041

CVSS score9.8 CRITICAL
EPSS probability0.40%
CISA KEVNot currently listed
Published2023-08-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow'), Out-of-bounds Write, Download of Code Without Integrity Check vulnerability in Silicon Labs Gecko Bootloader on ARM (Firmware Update File Parser modules) allows Code Injection, Authentication Bypass.This issue affects "Standalone" and "Application" versions of Gecko Bootloader.

Weakness classification

  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
  • CWE-494: Download of Code Without Integrity Check
  • CWE-787: Out-of-bounds Write
  • CWE-913: Improper Control of Dynamically-Managed Code Resources

Primary references