{"id":"CVE-2020-20486","aliases":["EUVD-2020-13273","GHSA-jw2v-g6g3-9568"],"status":"published","title":"IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.","description":"IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01089,"percentile":0.65789,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2021-08-31T22:22:31Z","modified":"2026-06-17T03:03:01Z","products":[{"vendor":"iec104_project","product":"iec104"}],"references":[{"url":"https://github.com/airpig2011/IEC104/issues/14","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20486"},{"url":"https://github.com/advisories/GHSA-jw2v-g6g3-9568"}],"sources":{"cve":[{"id":"CVE-2020-20486","description":"IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.","status":"published","published":"2021-08-31T22:22:31Z","modified":"2024-08-04T14:22:25.071Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13273","description":"IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.","status":"published","published":"2021-08-31T22:22:31Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:24.233243Z"}],"ghsa":[{"id":"GHSA-jw2v-g6g3-9568","title":"IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.","description":"IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.","status":"published","published":"2022-05-24T19:12:51Z","modified":"2023-01-30T05:01:54Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:46:30.744651Z"}],"nvd":[{"id":"CVE-2020-20486","description":"IEC104 v1.0 contains a stack-buffer overflow in the parameter Iec10x_Sta_Addr.","status":"published","published":"2021-08-31T23:15:06.78Z","modified":"2026-06-17T03:03:01.81Z","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":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:06:45.704484Z"}]}}