{"schemaVersion":3,"id":"CVE-2020-6656","aliases":[],"status":"published","duplicateOf":null,"title":"File parsing Type Confusion Remote code execution vulerability","description":"Eaton's easySoft software v7.xx prior to v7.22 are susceptible to file parsing type confusion remote code execution vulnerability. A malicious entity can execute a malicious code or make the application crash by tricking user upload a malformed .E70 file in the application. The vulnerability arises due to improper validation of user data supplied through E70 file which is causing Type Confusion.","dates":{"published":"2021-01-07T17:22:15.000Z","modified":"2024-08-04T09:11:04.659Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.8,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:L","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":6.8,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02823,"percentile":0.86482,"severity":"low","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":0.11700000000000009,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.02706},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.02823,"percentile":0.86482}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02706,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.02823,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.02823,"percentile":0.86482}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-20","name":"Improper Input Validation","description":"The product receives input or data, but it does\n        not validate or incorrectly validates that the input has the\n        properties that are required to process the data safely and\n        correctly.","type":"weakness","status":"Stable","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/20.html"},{"id":"CWE-843","name":"Access of Resource Using Incompatible Type ('Type Confusion')","description":"The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/843.html"}],"affected":[{"vendor":"eaton","product":"easysoft","name":"easysoft","label":"easysoft","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 7.00, < 7.20","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.00, < 7.20","eol":null,"hubHref":"/vendor/eaton/easysoft"},{"vendor":"eaton","product":"easysoft software","name":"easySoft Software","label":"easysoft software","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"v7.xx prior to v7.22","noFixRecorded":false,"fixedIn":null}],"versionsText":"v7.xx prior to v7.22","eol":null,"hubHref":"/vendor/eaton/easysoft_software"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/easySoft-eaton-vulnerability-advisory.pdf","label":"www.eaton.com/content/…","hostname":"www.eaton.com","tags":["X Refsource MISC","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1441/","label":"www.zerodayinitiative.com/advisories/ZDI-20-1441/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1442/","label":"www.zerodayinitiative.com/advisories/ZDI-20-1442/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-1444/","label":"www.zerodayinitiative.com/advisories/ZDI-20-1444/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry"]},{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-007-03","label":"us-cert.cisa.gov/ics/advisories/icsa-21-007-03","hostname":"us-cert.cisa.gov","tags":["X Refsource MISC","Third Party Advisory","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-01-07T17:22:15.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T09:11:04.659Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":32,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T17:26:58.244Z","stale":false,"partial":false}}