{"schemaVersion":3,"id":"CVE-2020-6970","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A Heap-based Buffer Overflow was found in Emerson OpenEnterprise SCADA Server 2.83 (if Modbus or ROC Interfaces have been installed and are in use) and all versions of OpenEnterprise 3.1 through 3.3.3, where a specially crafted script could execute code on the OpenEnterprise Server.","dates":{"published":"2020-02-19T20:19:55.000Z","modified":"2024-08-04T09:18:02.389Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","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","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.02579,"percentile":0.85073,"severity":"low","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.02579},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.02579,"percentile":0.85073}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.02579,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.02579,"percentile":0.85073}]},"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-122","name":"Heap-based Buffer Overflow","description":"A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/122.html"},{"id":"CWE-787","name":"Out-of-bounds Write","description":"The product writes data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/787.html"}],"affected":[{"vendor":"emerson","product":"openenterprise","name":"OpenEnterprise","label":"openenterprise","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"3.1 through 3.3.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"3.1 through 3.3.3","eol":null,"hubHref":"/vendor/emerson/openenterprise"},{"vendor":"emerson","product":"openenterprise_scada_server","name":"openenterprise scada server","label":"openenterprise_scada_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.83 (if Modbus or ROC Interfaces have been installed and are in use)","noFixRecorded":false,"fixedIn":null},{"text":"≥ 3.1, ≤ 3.3.3","noFixRecorded":false,"fixedIn":null},{"text":"2.8.3","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.83 (if Modbus or ROC Interfaces have been installed and are in use) | ≥ 3.1, ≤ 3.3.3 | 2.8.3","eol":null,"hubHref":"/vendor/emerson/openenterprise_scada_server"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-049-02","label":"www.us-cert.gov/ics/advisories/icsa-20-049-02","hostname":"www.us-cert.gov","tags":["X Refsource MISC","Third Party Advisory","US Government Resource"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-02-19T20:19:55.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T09:18:02.389Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T11:54:27.076Z","stale":false,"partial":false}}