{"id":"CVE-2023-25181","aliases":["EUVD-2023-29145","GHSA-fpwc-rv8p-8vm5"],"status":"published","title":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston...","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted set of network packets can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","severity":{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01688,"percentile":0.77346,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2023-11-14T09:14:53Z","modified":"2026-10-28T02:30:39Z","products":[{"vendor":"silabs","product":"gecko_software_development_kit"},{"vendor":"silicon labs","product":"gecko platform"},{"vendor":"weston embedded","product":"cesium net"},{"vendor":"weston embedded","product":"uc-http"},{"vendor":"weston-embedded","product":"cesium_net"},{"vendor":"weston-embedded","product":"uc-http"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2023-1726","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory","web"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2023-1726","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-25181","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fpwc-rv8p-8vm5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/25xxx/CVE-2023-25181.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-25181","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted set of network packets can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2023-11-14T09:14:53.482Z","modified":"2024-08-02T11:18:36.118Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:19.559321Z"}],"euvd":[{"id":"EUVD-2023-29145","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted set of network packets can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2023-11-14T09:14:53Z","modified":"2024-08-02T11:18:36Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T03:50:07.32318Z"}],"ghsa":[{"id":"GHSA-fpwc-rv8p-8vm5","title":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston...","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted set of network packets can lead to arbitrary code execution. An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2023-11-14T12:30:26Z","modified":"2023-11-18T00:30:18Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:55:03.903531Z"}],"nvd":[{"id":"CVE-2023-25181","description":"A heap-based buffer overflow vulnerability exists in the HTTP Server functionality of Weston Embedded uC-HTTP v3.01.01. A specially crafted set of network packets can lead to arbitrary code execution. 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An attacker can send a malicious packet to trigger this vulnerability.","status":"published","published":"2023-11-14T09:14:53.482Z","modified":"2026-10-28T02:30:39.082723019Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T15:44:30.709518Z"}]}}