{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-31247", "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "state": "PUBLISHED", "assignerShortName": "talos", "dateReserved": "2023-04-28T14:24:36.602Z", "datePublished": "2023-11-14T09:14:51.588Z", "dateUpdated": "2025-11-04T19:16:00.398Z"}, "containers": {"cna": {"affected": [{"vendor": "Silicon Labs", "product": "Gecko Platform", "versions": [{"version": "4.3.1.0", "status": "affected"}]}, {"vendor": "Weston Embedded", "product": "Cesium NET", "versions": [{"version": "3.07.01", "status": "affected"}]}, {"vendor": "Weston Embedded", "product": "uC-HTTP", "versions": [{"version": "v3.01.01", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer", "type": "CWE", "cweId": "CWE-119"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 9, "baseSeverity": "CRITICAL"}}], "providerMetadata": {"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos", "dateUpdated": "2023-11-14T09:14:51.588Z"}, "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}], "credits": [{"lang": "en", "value": "Discovered by Kelly Leuschner of Cisco Talos."}]}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746", "tags": ["x_transferred"]}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-04T19:16:00.398Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-09-03T14:25:54.364796Z", "id": "CVE-2023-31247", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2024-09-03T14:26:16.205Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T14:53:30.224Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-31247", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2024-09-03T14:25:54.364796Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-03T14:26:12.229Z"}}], "cna": {"credits": [{"lang": "en", "value": "Discovered by Kelly Leuschner of Cisco Talos."}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 9, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "Silicon Labs", "product": "Gecko Platform", "versions": [{"status": "affected", "version": "4.3.1.0"}]}, {"vendor": "Weston Embedded", "product": "Cesium NET", "versions": [{"status": "affected", "version": "3.07.01"}]}, {"vendor": "Weston Embedded", "product": "uC-HTTP", "versions": [{"status": "affected", "version": "v3.01.01"}]}], "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746", "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer"}]}], "providerMetadata": {"orgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "shortName": "talos", "dateUpdated": "2023-11-14T09:14:51.588Z"}}}, "cveMetadata": {"cveId": "CVE-2023-31247", "state": "PUBLISHED", "dateUpdated": "2024-09-03T14:26:16.205Z", "dateReserved": "2023-04-28T14:24:36.602Z", "assignerOrgId": "b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b", "datePublished": "2023-11-14T09:14:51.588Z", "assignerShortName": "talos"}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:silabs:gecko_software_development_kit:4.3.1:*:*:*:*:*:*:*", "matchCriteriaId": "90DDAC84-E71F-44E3-A5A8-D949DC1943D4", "vulnerable": true}, {"criteria": "cpe:2.3:a:weston-embedded:cesium_net:3.07.01:*:*:*:*:*:*:*", "matchCriteriaId": "44A78DFC-FD24-43A2-A4F4-76A77F46E9A5", "vulnerable": true}, {"criteria": "cpe:2.3:a:weston-embedded:uc-http:3.01.01:*:*:*:*:*:*:*", "matchCriteriaId": "6939279F-5819-4661-9050-3947010C9B71", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A memory corruption vulnerability exists in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted network packet can lead to code execution. An attacker can send a malicious packet to trigger this vulnerability."}, {"lang": "es", "value": "Existe una vulnerabilidad de corrupci\u00f3n de memoria en la funcionalidad de an\u00e1lisis de encabezados de HTTP Server Host de Weston Embedded uC-HTTP v3.01.01. Un paquete de red especialmente manipulado puede provocar la ejecuci\u00f3n de c\u00f3digo. Un atacante puede enviar un paquete malicioso para desencadenar esta vulnerabilidad."}], "id": "CVE-2023-31247", "lastModified": "2025-11-04T20:16:26.983", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 6.0, "source": "talos-cna@cisco.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2023-11-14T10:15:28.393", "references": [{"source": "talos-cna@cisco.com", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}], "sourceIdentifier": "talos-cna@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "talos-cna@cisco.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}