What is CVE-2023-2481?

CVE-2023-2481 is a medium-severity vulnerability in Silabs Gecko Software Development Kit, classified under CWE-14. CVSS score: 5.3/10. Published 2023-05-18.

How severe is CVE-2023-2481?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Silabs Gecko Software Development Kit

CVE-2023-2481

Compiler removal of buffer clearing in sli_se_opaque_import_key in Silicon Labs Gecko Platform SDK v4.2.1 and earlier results in key material duplication to RAM.

Published 2023-05-18 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (40.8th percentile), scored 2026-10-24.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Silabs Gecko Software Development Kit
Silabs.com Gecko Platform — versions 0

Weakness classification (CWE)

CWE-14

References

github.com/SiliconLabs/gecko_sdk (Product, patch)
community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000U19lGQAR (Permissions Required, vendor-advisory)

Frequently asked questions

What is CVE-2023-2481?: CVE-2023-2481 is a medium-severity vulnerability in Silabs Gecko Software Development Kit, classified under CWE-14. CVSS score: 5.3/10. Published 2023-05-18.
How severe is CVE-2023-2481?: Medium severity. CVSS v3 base score is 5.3 out of 10.