{"id":"CVE-2023-31247","state":"PUBLISHED","title":"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 co","description":"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.","publishedAt":"2023-11-14T09:14:51.588Z","updatedAt":"2025-11-04T19:16:00.398Z","severity":{"score":9,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","source":"talos"},"assigner":"talos","products":["Silicon Labs Gecko Platform","Weston Embedded Cesium NET","Weston Embedded uC-HTTP"],"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"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746","https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1746"],"weaknesses":["CWE-119"],"ingestedAt":"2026-10-29T20:06:00.499Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/31xxx/CVE-2023-31247.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-31247","state":"PUBLISHED","datePublished":"2023-11-14T09:14:51.588Z","dateUpdated":"2025-11-04T19:16:00.398Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2023-04-28T14:24:36.602Z"},"containers":{"cna":{"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."}],"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"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1746"}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","lang":"en","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateUpdated":"2023-11-14T09:14:51.588Z"},"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":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T19:16:00.398Z"}},{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-03T14:26:16.205Z"}}]}}}