{"id":"CVE-2023-51392","state":"PUBLISHED","title":"Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM","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.","publishedAt":"2024-02-23T16:12:41.261Z","updatedAt":"2025-04-22T16:15:25.335Z","severity":{"score":6.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","source":"Silabs"},"assigner":"Silabs","products":["silabs.com Ember ZNet SDK"],"affected":[{"vendor":"silabs.com","product":"Ember ZNet SDK","packageName":"Ember ZNet SDK","defaultStatus":"unaffected","versions":[{"version":"7.2.0","status":"affected","lessThan":"7.4.0","versionType":"7.x"}],"platforms":["32 bit","ARM"],"repo":"https://github.com/SiliconLabs/gecko_sdk/releases"}],"references":["https://community.silabs.com/068Vm000001BKm6"],"weaknesses":["CWE-1240"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/51xxx/CVE-2023-51392.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-51392","state":"PUBLISHED","datePublished":"2024-02-23T16:12:41.261Z","dateUpdated":"2025-04-22T16:15:25.335Z","assignerShortName":"Silabs","assignerOrgId":"030b2754-1501-44a4-bef8-48be86a33bf4","dateReserved":"2023-12-18T20:56:24.812Z"},"containers":{"cna":{"title":"Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM","descriptions":[{"lang":"en","value":"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":[{"vendor":"silabs.com","product":"Ember ZNet SDK","packageName":"Ember ZNet SDK","defaultStatus":"unaffected","versions":[{"version":"7.2.0","status":"affected","lessThan":"7.4.0","versionType":"7.x"}],"platforms":["32 bit","ARM"],"repo":"https://github.com/SiliconLabs/gecko_sdk/releases"}],"references":[{"url":"https://community.silabs.com/068Vm000001BKm6"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1240","description":"CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Silabs","orgId":"030b2754-1501-44a4-bef8-48be86a33bf4","dateUpdated":"2024-09-27T15:41:55.288Z"},"datePublic":"2024-02-15T17:32:00.000Z","impacts":[{"capecId":"CAPEC-622","descriptions":[{"lang":"en","value":"CAPEC-622 Electromagnetic Side-Channel Attack"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-07-25T17:59:54.322798Z","id":"CVE-2023-51392","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-22T16:15:25.335Z"}},{"title":"CVE Program Container","references":[{"url":"https://community.silabs.com/068Vm000001BKm6","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T22:32:09.157Z"}}]}}}