{"id":"CVE-2023-4280","state":"PUBLISHED","title":"Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region","description":"An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.","publishedAt":"2024-01-02T16:52:06.959Z","updatedAt":"2025-06-13T19:03:26.975Z","severity":{"score":9.3,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"Silabs"},"assigner":"Silabs","products":["silabs.com GSDK"],"affected":[{"vendor":"silabs.com","product":"GSDK","defaultStatus":"unaffected","versions":[{"version":"1.0","status":"affected","lessThanOrEqual":"4.3.x","versionType":"patch"}]}],"references":["https://github.com/SiliconLabs/gecko_sdk","https://community.silabs.com/069Vm0000004NinIAE"],"weaknesses":["CWE-125","CWE-787"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/4xxx/CVE-2023-4280.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-4280","state":"PUBLISHED","datePublished":"2024-01-02T16:52:06.959Z","dateUpdated":"2025-06-13T19:03:26.975Z","assignerShortName":"Silabs","assignerOrgId":"030b2754-1501-44a4-bef8-48be86a33bf4","dateReserved":"2023-08-09T19:24:29.697Z"},"containers":{"cna":{"title":"Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region","descriptions":[{"lang":"en","value":"An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region."}],"affected":[{"vendor":"silabs.com","product":"GSDK","defaultStatus":"unaffected","versions":[{"version":"1.0","status":"affected","lessThanOrEqual":"4.3.x","versionType":"patch"}]}],"references":[{"url":"https://github.com/SiliconLabs/gecko_sdk"},{"url":"https://community.silabs.com/069Vm0000004NinIAE"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":9.3,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","description":"CWE-125 Out-of-bounds Read","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Silabs","orgId":"030b2754-1501-44a4-bef8-48be86a33bf4","dateUpdated":"2024-09-25T15:55:11.799Z"},"impacts":[{"capecId":"CAPEC-233","descriptions":[{"lang":"en","value":"CAPEC-233 Privilege Escalation"}]}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/SiliconLabs/gecko_sdk","tags":["x_transferred"]},{"url":"https://community.silabs.com/069Vm0000004NinIAE","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T07:24:04.329Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-01-30T16:48:35.396290Z","id":"CVE-2023-4280","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":"2025-06-13T19:03:26.975Z"}}]}}}