Buffer overflow in Silabs Gecko_bootloader
CVE-2023-4041
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 I…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (25.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Silabs Gecko_bootloader
- Silicon Labs Gecko Bootloader — versions 0, 4.3.2, 4.2.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@silabs.com (Permissions Required)
Frequently asked questions
- What is CVE-2023-4041?
- CVE-2023-4041 is a critical-severity vulnerability in Silabs Gecko_bootloader, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2023-08-23.
- How severe is CVE-2023-4041?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-4041 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.