{"id":"CVE-2020-9343","aliases":["EUVD-2020-30164","GHSA-v7v6-4c5h-8jcg"],"status":"published","title":"An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1...","description":"An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. If a victim visits an attacker-controlled website, this vulnerability can be exploited via WebSocket data with a deeply nested JSON array.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00935,"percentile":0.61038,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2020-03-20T02:18:40Z","modified":"2026-06-17T03:27:47Z","products":[{"vendor":"signotec","product":"signopad-api\\/web"}],"references":[{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-053.txt","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9343"},{"url":"https://github.com/advisories/GHSA-v7v6-4c5h-8jcg"}],"sources":{"cve":[{"id":"CVE-2020-9343","description":"An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. If a victim visits an attacker-controlled website, this vulnerability can be exploited via WebSocket data with a deeply nested JSON array.","status":"published","published":"2020-03-20T02:18:40Z","modified":"2024-08-04T10:26:16.06Z","updated_at":"2026-11-02T14:35:49.538427Z"}],"euvd":[{"id":"EUVD-2020-30164","description":"An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. If a victim visits an attacker-controlled website, this vulnerability can be exploited via WebSocket data with a deeply nested JSON array.","status":"published","published":"2020-03-20T02:18:40Z","modified":"2024-08-04T10:26:16Z","updated_at":"2026-11-03T03:07:54.599277Z"}],"ghsa":[{"id":"GHSA-v7v6-4c5h-8jcg","title":"An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1...","description":"An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. If a victim visits an attacker-controlled website, this vulnerability can be exploited via WebSocket data with a deeply nested JSON array.","status":"published","published":"2022-05-24T17:12:07Z","modified":"2023-01-29T05:01:58Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:44:57.255255Z"}],"nvd":[{"id":"CVE-2020-9343","description":"An issue was discovered in signotec signoPAD-API/Web (formerly Websocket Pad Server) before 3.1.1 on Windows. It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures. If a victim visits an attacker-controlled website, this vulnerability can be exploited via WebSocket data with a deeply nested JSON array.","status":"published","published":"2020-03-20T03:15:13.667Z","modified":"2026-06-17T03:27:47.333Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:56.580228Z"}]}}