{"id":"CVE-2014-5074","aliases":["EUVD-2014-4973","GHSA-64h7-xqm5-vw78"],"status":"published","title":"Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a...","description":"Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.09696,"percentile":0.95539,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2014-08-17T23:00:00Z","modified":"2026-06-17T00:10:59Z","exploits":[{"source":"exploitdb","id":"EDB-44693","title":"Siemens SIMATIC S7-1500 CPU - Remote Denial of Service","type":"dos","platform":"linux","date":"2018-05-22","url":"https://www.exploit-db.com/exploits/44693"}],"products":[{"vendor":"siemens","product":"simatic_s7-1500_cpu_firmware"},{"vendor":"siemens","product":"simatic_s7-1511-1_pn_cpu"},{"vendor":"siemens","product":"simatic_s7-1513-1_pn_cpu"},{"vendor":"siemens","product":"simatic_s7-1515-2_pn_cpu"},{"vendor":"siemens","product":"simatic_s7-1516-3_pn\\/dp_cpu"},{"vendor":"siemens","product":"simatic_s7-1516f-3_pn\\/dp_cpu"},{"vendor":"siemens","product":"simatic_s7-1518-4_pn\\/dp_cpu"},{"vendor":"siemens","product":"simatic_s7-1518f-4_pn\\/dp_cpu"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01","tags":["x_refsource_MISC","x_transferred","Patch","US Government Resource"]},{"url":"http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdf","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.exploit-db.com/exploits/44693/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2014-5074"},{"url":"https://www.exploit-db.com/exploits/44693"},{"url":"https://github.com/advisories/GHSA-64h7-xqm5-vw78"}],"sources":{"cve":[{"id":"CVE-2014-5074","description":"Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.","status":"published","published":"2014-08-17T23:00:00Z","modified":"2024-08-06T11:34:37.307Z","updated_at":"2026-11-02T14:33:41.889751Z"}],"euvd":[{"id":"EUVD-2014-4973","description":"Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.","status":"published","published":"2014-08-17T23:00:00Z","modified":"2024-08-06T11:34:37Z","updated_at":"2026-11-03T01:57:04.299217Z"}],"ghsa":[{"id":"GHSA-64h7-xqm5-vw78","title":"Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a...","description":"Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.","status":"published","published":"2022-05-14T03:21:10Z","modified":"2025-04-12T12:36:40Z","updated_at":"2026-11-02T15:01:18.41255Z"}],"nvd":[{"id":"CVE-2014-5074","description":"Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.","status":"published","published":"2014-08-17T23:55:07.65Z","modified":"2026-06-17T00:10:59.417Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:02:55.19899Z"}]}}