{"id":"CVE-2020-9343","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-9343","generatedAt":"2026-10-27T22:24:55.918Z","title":"It is possible to perform a Denial of Service attack because the implementation doesn't limit the parsing of nested JSON structures.","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.","published":"2020-03-20T03:15:14.000Z","lastModified":"2026-06-17T03:27:47.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},"cwe":[],"affected":["signotec/signopad-api\\/web"],"epss":{"score":0.00935,"percentile":0.6053,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.94%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-053.txt","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2019-053.txt","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-9343","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}