Vulnerability · Published Feb 23, 2024 · Assigned by Silabs
CVE-2023-51392Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM
Medium 6.2
In plain English
A medium-severity security flaw in Ember ZNet SDK from silabs.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)0.2%top 84.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| silabs.com | Ember ZNet SDK | 7.2.0 – before 7.4.0 |
Weakness: CWE-1240 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N