{"cve":"CVE-2019-13942","nvd":{"published":"2019-12-12T19:15:14.997","modified":"2026-06-17T02:17:27.653","status":"Modified","description":"A vulnerability has been identified in EN100 Ethernet module DNP3 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module IEC104 variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). An unauthorized user could exploit a buffer overflow vulnerability in the webserver. Specially crafted packets sent could cause a Denial-of-Service condition and if certain conditions are met, the affected devices must be restarted manually to fully recover. At the time of advisory publication no public exploitation of this security vulnerability was known.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-119"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdf","https://www.us-cert.gov/ics/advisories/icsa-19-344-07","https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdf","https://www.us-cert.gov/ics/advisories/icsa-19-344-07"],"products":["siemens:en100_ethernet_module_with_firmware_variant_dnp3_tcp","siemens:en100_ethernet_module_with_firmware_variant_iec104","siemens:en100_ethernet_module_with_firmware_variant_iec_61850","siemens:en100_ethernet_module_with_firmware_variant_modbus_tcp","siemens:en100_ethernet_module_with_firmware_variant_profinet_io"],"source":"nvd","synced_at":"2026-10-19T20:59:27.069234358+00:00"},"epss":{"cve":"CVE-2019-13942","score":0.01949,"percentile":0.80222,"date":"2026-11-01"},"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."]}