{"id":"CVE-2020-13583","aliases":["EUVD-2020-5830","GHSA-hj4q-6h4m-696v"],"status":"published","title":"A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01...","description":"A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.","severity":{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01904,"percentile":0.79865,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2021-02-10T21:39:22Z","modified":"2026-06-17T02:53:24Z","products":[{"vendor":"micrium","product":"uc-http"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1194","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13583"},{"url":"https://github.com/advisories/GHSA-hj4q-6h4m-696v"}],"sources":{"cve":[{"id":"CVE-2020-13583","description":"A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.","status":"published","published":"2021-02-10T21:39:22Z","modified":"2024-08-04T12:25:16.131Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:35:53.868619Z"}],"euvd":[{"id":"EUVD-2020-5830","description":"A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.","status":"published","published":"2021-02-10T21:39:22Z","modified":"2024-08-04T12:25:16Z","cvss":[{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:07:37.234427Z"}],"ghsa":[{"id":"GHSA-hj4q-6h4m-696v","title":"A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01...","description":"A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.","status":"published","published":"2022-05-24T17:41:41Z","modified":"2023-01-27T05:03:17Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:42:12.753514Z"}],"nvd":[{"id":"CVE-2020-13583","description":"A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.","status":"published","published":"2021-02-10T22:15:13.187Z","modified":"2026-06-17T02:53:24.29Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"3.0","score":8.6,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}