{"schemaVersion":3,"id":"CVE-2012-3037","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The Siemens SIMATIC S7-1200 2.x PLC does not properly protect the private key of the SIMATIC CONTROLLER Certification Authority certificate, which allows remote attackers to spoof the S7-1200 web server by using this key to create a forged certificate.","dates":{"published":"2012-09-25T10:00:00.000Z","modified":"2025-05-23T18:26:16.120Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":4.3,"severity":"medium","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01472,"percentile":0.73396,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.01472},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01472,"percentile":0.73396}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01472,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01472,"percentile":0.73396}]},"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-295","name":"Improper Certificate Validation","description":"The product does not validate, or incorrectly validates, a certificate.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/295.html"}],"affected":[{"vendor":"siemens","product":"simatic_s7-1200_firmware","name":"simatic s7-1200 firmware","label":"simatic_s7-1200_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1211c_firmware","name":"simatic s7-1200 cpu 1211c firmware","label":"simatic_s7-1200_cpu_1211c_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1211c"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1212c_firmware","name":"simatic s7-1200 cpu 1212c firmware","label":"simatic_s7-1200_cpu_1212c_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1212c"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1212fc_firmware","name":"simatic s7-1200 cpu 1212fc firmware","label":"simatic_s7-1200_cpu_1212fc_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1212fc"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1214_fc_firmware","name":"simatic s7-1200 cpu 1214 fc firmware","label":"simatic_s7-1200_cpu_1214_fc_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1214_fc"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1214c_firmware","name":"simatic s7-1200 cpu 1214c firmware","label":"simatic_s7-1200_cpu_1214c_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1214c"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1215_fc_firmware","name":"simatic s7-1200 cpu 1215 fc firmware","label":"simatic_s7-1200_cpu_1215_fc_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1215_fc"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1215c_firmware","name":"simatic s7-1200 cpu 1215c firmware","label":"simatic_s7-1200_cpu_1215c_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1215c"},{"vendor":"siemens","product":"simatic_s7-1200_cpu_1217c_firmware","name":"simatic s7-1200 cpu 1217c firmware","label":"simatic_s7-1200_cpu_1217c_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"≥ 2.0.0, < 3.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 2.0.0, < 3.0.0","eol":null,"hubHref":"/vendor/siemens/simatic_s7-1200_cpu_1217c"}],"affectedCount":9,"eol":{"hasEol":false,"count":0},"references":[{"url":"http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-240718.pdf","label":"www.siemens.com/corporate-technology/…","hostname":"www.siemens.com","tags":["Broken Link","Vendor Advisory"]},{"url":"http://www.us-cert.gov/control_systems/pdf/ICSA-12-263-01.pdf","label":"www.us-cert.gov/control_systems/pdf/ICSA-12-263-01.pdf","hostname":"www.us-cert.gov","tags":["Broken Link","Third Party Advisory","US Government Resource"]},{"url":"http://en.securitylab.ru/lab/PT-2012-48","label":"en.securitylab.ru/lab/PT-2012-48","hostname":"en.securitylab.ru","tags":["Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2012-09-25T10:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2025-05-23T18:26:16.120Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":17,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T15:44:19.292Z","stale":false,"partial":false}}