{"id":"CVE-2020-20741","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-20741","generatedAt":"2026-10-27T23:28:30.653Z","title":"KG CX9020 with firmware version CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6 allows remote attackers to bypass authentication via the \"CE Remote Display Tool\" as it does not close the incoming connection on the Windows CE side if the credentials are…","description":"Incorrect Access Control in Beckhoff Automation GmbH & Co. KG CX9020 with firmware version CX9020_CB3011_WEC7_HPS_v602_TC31_B4016.6 allows remote attackers to bypass authentication via the \"CE Remote Display Tool\" as it does not close the incoming connection on the Windows CE side if the credentials are incorrect.","published":"2021-07-23T20:15:08.000Z","lastModified":"2026-06-17T03:03:25.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","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":[],"affected":["beckhoff/cx9020"],"epss":{"score":0.01561,"percentile":0.75075,"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 (1.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-006.pdf","tags":["Mitigation","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://download.beckhoff.com/download/Document/product-security/Advisories/advisory-2019-006.pdf","tags":["Mitigation","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-20741","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."}