{"id":"CVE-2020-24341","aliases":["EUVD-2020-17075","GHSA-qj3c-vm3g-g389"],"status":"published","title":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing...","description":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing function in pico_tcp.c does not validate the length of incoming TCP packets, which leads to an out-of-bounds read when assembling received packets into a data segment, eventually causing Denial-of-Service or an information leak.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.04952,"percentile":0.92231,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2020-12-11T22:55:33Z","modified":"2026-10-24T10:30:36Z","products":[{"vendor":"altran","product":"picotcp"},{"vendor":"altran","product":"picotcp-ng"}],"references":[{"url":"https://www.kb.cert.org/vuls/id/815128","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource","advisory"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-343-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24341"},{"url":"https://github.com/advisories/GHSA-qj3c-vm3g-g389"}],"sources":{"cve":[{"id":"CVE-2020-24341","description":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing function in pico_tcp.c does not validate the length of incoming TCP packets, which leads to an out-of-bounds read when assembling received packets into a data segment, eventually causing Denial-of-Service or an information leak.","status":"published","published":"2020-12-11T22:55:33Z","modified":"2024-08-04T15:12:08.661Z","updated_at":"2026-11-02T14:35:54.468882Z"}],"euvd":[{"id":"EUVD-2020-17075","description":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing function in pico_tcp.c does not validate the length of incoming TCP packets, which leads to an out-of-bounds read when assembling received packets into a data segment, eventually causing Denial-of-Service or an information leak.","status":"published","published":"2020-12-11T22:55:33Z","modified":"2024-08-04T15:12:08Z","updated_at":"2026-11-03T03:07:20.249898Z"}],"ghsa":[{"id":"GHSA-qj3c-vm3g-g389","title":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing...","description":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing function in pico_tcp.c does not validate the length of incoming TCP packets, which leads to an out-of-bounds read when assembling received packets into a data segment, eventually causing Denial-of-Service or an information leak.","status":"published","published":"2022-05-24T17:36:11Z","modified":"2023-01-29T05:05:40Z","cwes":["CWE-125"],"updated_at":"2026-11-02T14:45:50.827495Z"}],"nvd":[{"id":"CVE-2020-24341","description":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing function in pico_tcp.c does not validate the length of incoming TCP packets, which leads to an out-of-bounds read when assembling received packets into a data segment, eventually causing Denial-of-Service or an information leak.","status":"published","published":"2020-12-11T23:15:14.153Z","modified":"2026-06-17T03:05:24.08Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:06:27.10541Z"}],"osv":[{"id":"CVE-2020-24341","description":"An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing function in pico_tcp.c does not validate the length of incoming TCP packets, which leads to an out-of-bounds read when assembling received packets into a data segment, eventually causing Denial-of-Service or an information leak.","status":"published","published":"2020-12-11T23:15:14.153Z","modified":"2026-10-24T10:30:36.681433148Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:15.879068Z"}]}}