{"schemaVersion":3,"id":"CVE-2020-12498","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"mwe file parsing in Phoenix Contact PC Worx and PC Worx Express version 1.87 and earlier is vulnerable to out-of-bounds read remote code execution. Manipulated PC Worx projects could lead to a remote code execution due to insufficient input data validation.","dates":{"published":"2020-07-01T15:52:35.000Z","modified":"2024-08-04T11:56:52.080Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","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":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":"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":0.02106,"percentile":0.81464,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.02106},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02106,"percentile":0.81464}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.02106,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.02106,"percentile":0.81464}]},"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-121","name":"Stack-based Buffer Overflow","description":"A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/121.html"},{"id":"CWE-125","name":"Out-of-bounds Read","description":"The product reads data past the end, or before the beginning, of the intended buffer.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/125.html"}],"affected":[{"vendor":"phoenix contact","product":"automation worx","name":"Automation Worx","label":"automation worx","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, ≤ 1.87","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, ≤ 1.87","eol":null,"hubHref":"/vendor/phoenix_contact/automation_worx"},{"vendor":"phoenix contact","product":"automation worx express","name":"Automation Worx Express","label":"automation worx express","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ unspecified, ≤ 1.87","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ unspecified, ≤ 1.87","eol":null,"hubHref":"/vendor/phoenix_contact/automation_worx_express"},{"vendor":"phoenixcontact","product":"pc_worx","name":"pc worx","label":"pc_worx","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 1.87","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.87","eol":null,"hubHref":"/vendor/phoenixcontact/pc_worx"},{"vendor":"phoenixcontact","product":"pc_worx_express","name":"pc worx express","label":"pc_worx_express","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≤ 1.87","noFixRecorded":false,"fixedIn":null}],"versionsText":"≤ 1.87","eol":null,"hubHref":"/vendor/phoenixcontact/pc_worx_express"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://cert.vde.com/de-de/advisories/vde-2020-023","label":"cert.vde.com/de-de/advisories/vde-2020-023","hostname":"cert.vde.com","tags":["X Refsource CONFIRM","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-826/","label":"www.zerodayinitiative.com/advisories/ZDI-20-826/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-07-01T15:52:35.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-04T11:56:52.080Z","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":"2026-10-19T14:45:49.579Z","stale":false,"partial":false}}