{"id":"CVE-2020-27251","aliases":["EUVD-2020-19764","GHSA-7hx6-pmgh-3p98"],"status":"published","title":"A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This...","description":"A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious port ranges, which could result in remote 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":"2026-11-11","score":0.06815,"percentile":0.94096,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122"],"published":"2020-11-26T01:40:42Z","modified":"2026-06-17T03:09:03Z","products":[{"vendor":"rockwell automation","product":"factorytalk linx"},{"vendor":"rockwellautomation","product":"factorytalk_linx"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-329-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27251"},{"url":"https://github.com/advisories/GHSA-7hx6-pmgh-3p98"}],"sources":{"cve":[{"id":"CVE-2020-27251","description":"A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious port ranges, which could result in remote code execution.","status":"published","published":"2020-11-26T01:40:42Z","modified":"2024-08-04T16:11:36.407Z","cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-19764","description":"A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious port ranges, which could result in remote code execution.","status":"published","published":"2020-11-26T01:40:42Z","modified":"2024-08-04T16:11:36Z","updated_at":"2026-11-03T03:07:12.940476Z"}],"ghsa":[{"id":"GHSA-7hx6-pmgh-3p98","title":"A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This...","description":"A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious port ranges, which could result in remote code execution.","status":"published","published":"2022-05-24T17:34:58Z","modified":"2023-01-29T05:05:27Z","cwes":["CWE-122"],"updated_at":"2026-11-02T14:45:47.837276Z"}],"nvd":[{"id":"CVE-2020-27251","description":"A heap overflow vulnerability exists within FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to send malicious port ranges, which could result in remote code execution.","status":"published","published":"2020-11-26T02:15:12.01Z","modified":"2026-06-17T03:09:03.237Z","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-122"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}