{"cve":"CVE-2014-2254","nvd":{"published":"2014-03-24T14:20:39.590","modified":"2026-06-17T00:06:18.180","status":"Modified","description":"Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTP packets, a different vulnerability than CVE-2014-2255.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02","http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf","http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02","http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf"],"products":["siemens:simatic_s7_cpu-1211c","siemens:simatic_s7_cpu_1200_firmware","siemens:simatic_s7_cpu_1212c","siemens:simatic_s7_cpu_1214c","siemens:simatic_s7_cpu_1215c","siemens:simatic_s7_cpu_1217c"],"source":"nvd","synced_at":"2026-10-19T20:32:06.812358378+00:00"},"epss":{"cve":"CVE-2014-2254","score":0.04731,"percentile":0.91851,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}