{"id":"CVE-2020-27253","aliases":["EUVD-2020-19766","GHSA-x592-jf8v-v754"],"status":"published","title":"A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior....","description":"A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.","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":0.01917,"percentile":0.80135,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-11-26T01:36:27Z","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-2020-27253"},{"url":"https://github.com/advisories/GHSA-x592-jf8v-v754"}],"sources":{"cve":[{"id":"CVE-2020-27253","description":"A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.","status":"published","published":"2020-11-26T01:36:27Z","modified":"2024-08-04T16:11:36.421Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-19766","description":"A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.","status":"published","published":"2020-11-26T01:36:27Z","modified":"2024-08-04T16:11:36Z","updated_at":"2026-11-03T03:07:12.940476Z"}],"ghsa":[{"id":"GHSA-x592-jf8v-v754","title":"A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior....","description":"A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.","status":"published","published":"2022-05-24T17:34:58Z","modified":"2023-01-29T05:04:52Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:39.24589Z"}],"nvd":[{"id":"CVE-2020-27253","description":"A flaw exists in the Ingress/Egress checks routine of FactoryTalk Linx Version 6.11 and prior. This vulnerability could allow a remote, unauthenticated attacker to specifically craft a malicious packet resulting in a denial-of-service condition on the device.","status":"published","published":"2020-11-26T02:15:12.183Z","modified":"2026-06-17T03:09:03.48Z","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":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}