Show plain JSON{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-4489", "assignerOrgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "state": "PUBLISHED", "assignerShortName": "Silabs", "dateReserved": "2023-08-23T04:17:01.960Z", "datePublished": "2023-12-14T23:00:29.693Z", "dateUpdated": "2025-05-21T14:29:37.355Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "affected", "product": "Z/IP Gateway SDK", "vendor": "silabs.com", "versions": [{"lessThanOrEqual": "7.18.3", "status": "affected", "version": "0", "versionType": "LessThan"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<span style=\"background-color: rgb(255, 255, 255);\">The first S0 encryption key is generated with an uninitialized PRNG in Z/IP Gateway products running Silicon Labs Z/IP Gateway SDK v7.18.3 and earlier. </span><span style=\"background-color: rgb(255, 255, 255);\">This makes the first S0 key generated at startup predictable, potentially allowing network key prediction and unauthorized S0 network access.</span>\n\n<table><tbody><tr><td> </td></tr></tbody></table>"}], "value": "The first S0 encryption key is generated with an uninitialized PRNG in Z/IP Gateway products running Silicon Labs Z/IP Gateway SDK v7.18.3 and earlier. This makes the first S0 key generated at startup predictable, potentially allowing network key prediction and unauthorized S0 network access."}], "impacts": [{"capecId": "CAPEC-59", "descriptions": [{"lang": "en", "value": "CAPEC-59 Session Credential Falsification through Prediction"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-1279", "description": "CWE-1279 Cryptographic Operations are run Before Supporting Units are Ready", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "030b2754-1501-44a4-bef8-48be86a33bf4", "shortName": "Silabs", "dateUpdated": "2024-09-27T16:22:41.599Z"}, "references": [{"tags": ["vendor-advisory"], "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000buWj0QAE?operationContext=S1"}, {"url": "https://github.com/SiliconLabs/gecko_sdk"}], "source": {"discovery": "UNKNOWN"}, "title": "Z/IP Gateway Use of Uninitialized PRNG when Generating S0 Encryption Key", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T07:31:05.899Z"}, "title": "CVE Program Container", "references": [{"tags": ["vendor-advisory", "x_transferred"], "url": "https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000buWj0QAE?operationContext=S1"}, {"url": "https://github.com/SiliconLabs/gecko_sdk", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-05-21T14:28:57.358361Z", "id": "CVE-2023-4489", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-05-21T14:29:37.355Z"}}]}}