{"id":"CVE-2020-12516","aliases":["EUVD-2020-4818","GHSA-wm2q-rjqh-v4ff"],"status":"published","title":"WAGO: PLC families 750-88x and 750-352 prone to DoS attack","description":"Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.","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":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01887,"percentile":0.79798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2020-12-10T03:04:17Z","modified":"2026-06-17T02:51:57Z","products":[{"vendor":"wago","product":"750-331/xxx-xxx"},{"vendor":"wago","product":"750-331_firmware"},{"vendor":"wago","product":"750-352"},{"vendor":"wago","product":"750-352_firmware"},{"vendor":"wago","product":"750-829"},{"vendor":"wago","product":"750-829_firmware"},{"vendor":"wago","product":"750-831/xxx-xxx"},{"vendor":"wago","product":"750-831_firmware"},{"vendor":"wago","product":"750-852"},{"vendor":"wago","product":"750-852_firmware"},{"vendor":"wago","product":"750-880/xxx-xxx"},{"vendor":"wago","product":"750-880_firmware"},{"vendor":"wago","product":"750-881"},{"vendor":"wago","product":"750-881_firmware"},{"vendor":"wago","product":"750-882"},{"vendor":"wago","product":"750-882_firmware"},{"vendor":"wago","product":"750-885"},{"vendor":"wago","product":"750-885_firmware"},{"vendor":"wago","product":"750-889"},{"vendor":"wago","product":"750-889_firmware"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-308-01","tags":["x_refsource_MISC","x_transferred","Mitigation","Third Party Advisory","US Government Resource"]},{"url":"https://cert.vde.com/en-us/advisories/vde-2020-042","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12516"},{"url":"https://github.com/advisories/GHSA-wm2q-rjqh-v4ff"}],"sources":{"cve":[{"id":"CVE-2020-12516","title":"WAGO: PLC families 750-88x and 750-352 prone to DoS attack","description":"Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.","status":"published","published":"2020-12-10T03:04:17.186Z","modified":"2024-09-16T22:14:10.36Z","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":"cna"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4818","description":"Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.","status":"published","published":"2020-12-10T03:04:17Z","modified":"2024-09-16T22:14:10Z","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"}],"updated_at":"2026-11-03T00:55:04.822795Z"}],"ghsa":[{"id":"GHSA-wm2q-rjqh-v4ff","title":"Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are...","description":"Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.","status":"published","published":"2022-05-24T17:35:50Z","modified":"2023-01-29T05:04:57Z","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"}],"updated_at":"2026-11-02T14:45:40.727657Z"}],"nvd":[{"id":"CVE-2020-12516","description":"Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.","status":"published","published":"2020-12-10T03:15:11.593Z","modified":"2026-06-17T02:51:57.177Z","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":"secondary"},{"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-400"],"updated_at":"2026-11-02T14:06:27.10541Z"}]}}