{"id":"CVE-2020-12022","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-12022","generatedAt":"2026-10-27T23:43:48.564Z","title":"An improper validation vulnerability exists that could allow an attacker to inject specially crafted input into memory where it can be executed.","description":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. An improper validation vulnerability exists that could allow an attacker to inject specially crafted input into memory where it can be executed.","published":"2020-05-08T12:15:11.000Z","lastModified":"2026-06-17T02:51:16.000Z","status":"Modified","sourceIdentifier":"ics-cert@hq.dhs.gov","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-129"],"affected":["advantech/webaccess"],"epss":{"score":0.01672,"percentile":0.7666,"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":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (1.67%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-128-01","tags":["Third Party Advisory","US Government Resource"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-598/","tags":["Third Party Advisory"],"source":"ics-cert@hq.dhs.gov"},{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-128-01","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-598/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-12022","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."}