{"id":"CVE-2020-25159","aliases":["EUVD-2020-17850","GHSA-mxg2-jj7m-q6v8"],"status":"published","title":"Real Time Automation EtherNet/IP","description":"499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.03026,"percentile":0.87581,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2020-11-24T19:12:51Z","modified":"2026-06-17T03:06:28Z","products":[{"vendor":"real time automation","product":"499es ethernet/ip (enip) adaptor source code"},{"vendor":"rtautomation","product":"499es_ethernet\\/ip_adaptor_firmware"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-324-03","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25159"},{"url":"https://github.com/advisories/GHSA-mxg2-jj7m-q6v8"}],"sources":{"cve":[{"id":"CVE-2020-25159","title":"Real Time Automation EtherNet/IP","description":"499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.","status":"published","published":"2020-11-24T19:12:51.664Z","modified":"2024-09-16T18:09:26.549Z","cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-17850","description":"499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.","status":"published","published":"2020-11-24T19:12:51Z","modified":"2024-09-16T18:09:26Z","updated_at":"2026-11-03T00:55:34.828317Z"}],"ghsa":[{"id":"GHSA-mxg2-jj7m-q6v8","title":"499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow,...","description":"499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.","status":"published","published":"2022-05-24T17:34:52Z","modified":"2023-01-29T05:04:51Z","cwes":["CWE-787"],"updated_at":"2026-11-02T14:45:39.24589Z"}],"nvd":[{"id":"CVE-2020-25159","description":"499ES EtherNet/IP (ENIP) Adaptor Source Code is vulnerable to a stack-based buffer overflow, which may allow an attacker to send a specially crafted packet that may result in a denial-of-service condition or code execution.","status":"published","published":"2020-11-24T20:15:11.633Z","modified":"2026-06-17T03:06:28.667Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}