# CVE-2023-51392

## Summary

- **CVE ID:** CVE-2023-51392
- **Severity:** MEDIUM
- **CVSS Score:** 6.2 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
- **CWE:** CWE-1240
- **Published:** Feb 23, 2024
- **Last Modified:** Mar 13, 2026

## Description

Ember ZNet between v7.2.0 and v7.4.0 used software AES-CCM instead of integrated hardware cryptographic accelerators, potentially increasing risk of electromagnetic and differential power analysis sidechannel attacks.

## Affected Products

- silabs.com — Ember ZNet SDK (7.2.0)

## References

- [CNA](https://community.silabs.com/068Vm000001BKm6)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.03%
- **EPSS Percentile:** 9.7

---
_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._