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TI-2019-10395 Aliases CVE-2019-13942GHSA-7fgp-2mmv-w74c

Memory corruption in Siemens EN100 Ethernet module DNP3 variant

Priority LOW 37CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

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.

Why it matters now

EPSS 0.01949 80th percentileScored 2026-11-07
Fix Fixed EN100 Ethernet module IEC 61850 variant (Siemens AG): V4.37

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
SiemensEN100 Ethernet module DNP3 variantAll versions—No fix listedCNA
SiemensEN100 Ethernet module IEC 61850 variantbefore V4.37V4.37Patch availableCNA
SiemensEN100 Ethernet module IEC104 variantAll versions—No fix listedCNA
SiemensEN100 Ethernet module Modbus TCP variantAll versions—No fix listedCNA
SiemensEN100 Ethernet module PROFINET IO variantAll versions—No fix listedCNA
  • EN100 Ethernet module DNP3 variant VendorSiemens Affected All versions Fixed in — No fix listed CNA
  • EN100 Ethernet module IEC 61850 variant VendorSiemens Affected before V4.37 Fixed in V4.37 Patch available CNA
  • EN100 Ethernet module IEC104 variant VendorSiemens Affected All versions Fixed in — No fix listed CNA
  • EN100 Ethernet module Modbus TCP variant VendorSiemens Affected All versions Fixed in — No fix listed CNA
  • EN100 Ethernet module PROFINET IO variant VendorSiemens Affected All versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_dnp3_tcp:*:*:*:*:*:*:*:*all versionsVulnerableSiemens
cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec_61850:*:*:*:*:*:*:*:*before 4.37VulnerableSiemens
cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec104:*:*:*:*:*:*:*:*all versionsVulnerableSiemens
cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_modbus_tcp:*:*:*:*:*:*:*:*all versionsVulnerableSiemens
cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_profinet_io:*:*:*:*:*:*:*:*all versionsVulnerableSiemens
cpe:2.3:h:siemens:en100_ethernet_module:-:*:*:*:*:*:*:*not specified by NVDRunning onSiemens
  • cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_dnp3_tcp:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
  • cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec_61850:*:*:*:*:*:*:*:* Versions before 4.37 Vulnerable ·Siemens
  • cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec104:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
  • cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_modbus_tcp:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
  • cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_profinet_io:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
  • cpe:2.3:h:siemens:en100_ethernet_module:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens

Remediation

  • Fix · CNA EN100 Ethernet module IEC 61850 variant (Siemens AG) Fixed in V4.37

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-13942
  2. 2026-10-03 Alias added: GHSA-7fgp-2mmv-w74c

References

Advisory 2

  • TI-2019-10396 Cross-site scripting in Siemens EN100 Ethernet module DNP3 variant CVSS 3.1MEDIUM 6.1
  • TI-2018-11881 A vulnerability has been identified in Firmware variant IEC 61850 for EN100 Ethernet… CVSS 3.0MEDIUM 5.9
  • TI-2019-10397 Path traversal in Siemens EN100 Ethernet module DNP3 variant CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences