Paper/Archive/CVE-2023-51392

CVE-2023-51392

silabs.com Ember ZNet SDK — Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM

EPSS 0.2%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (NVD)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 15.7.157 × 203.1 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

Ember ZNet SDK7.2.0 – < 7.4.07.4.0CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Silabs (CNA)6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refcommunity.silabs.com/068Vm000001BKm6