{"id":"CVE-2020-13573","aliases":["EUVD-2020-5820","GHSA-6crx-v72m-r4wf"],"status":"published","title":"A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell...","description":"A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.04143,"percentile":0.90931,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-823"],"published":"2021-01-07T17:26:40Z","modified":"2026-06-17T02:53:21Z","products":[{"vendor":"rockwellautomation","product":"rslinx"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2020-1184","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-13573"},{"url":"https://github.com/advisories/GHSA-6crx-v72m-r4wf"}],"sources":{"cve":[{"id":"CVE-2020-13573","description":"A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.","status":"published","published":"2021-01-07T17:26:40Z","modified":"2024-08-04T12:25:16.048Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-823"],"updated_at":"2026-11-02T14:35:54.170199Z"}],"euvd":[{"id":"EUVD-2020-5820","description":"A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.","status":"published","published":"2021-01-07T17:26:40Z","modified":"2024-08-04T12:25:16Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T03:07:37.234427Z"}],"ghsa":[{"id":"GHSA-6crx-v72m-r4wf","title":"A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell...","description":"A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.","status":"published","published":"2022-05-24T17:38:11Z","modified":"2023-01-29T05:05:17Z","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"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:45:45.423268Z"}],"nvd":[{"id":"CVE-2020-13573","description":"A denial-of-service vulnerability exists in the Ethernet/IP server functionality of Rockwell Automation RSLinx Classic 2.57.00.14 CPR 9 SR 3. A specially crafted network request can lead to a denial of service. An attacker can send a sequence of malicious packets to trigger this vulnerability.","status":"published","published":"2021-01-07T18:15:12.95Z","modified":"2026-06-17T02:53:21.59Z","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":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-823","CWE-119"],"updated_at":"2026-11-02T14:06:28.892872Z"}]}}