CVE-2019-13942
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
11- Siemens AG/EN100 Ethernet module DNP3 variantv5Range: All versions
- Siemens AG/EN100 Ethernet module IEC 61850 variantv5Range: All versions < V4.37
- Siemens AG/EN100 Ethernet module IEC104 variantv5Range: All versions
- Siemens AG/EN100 Ethernet module Modbus TCP variantv5Range: All versions
- Siemens AG/EN100 Ethernet module PROFINET IO variantv5Range: All versions
- Range: < V4.37
- cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec104:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_modbus_tcp:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_profinet_io:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_dnp3_tcp:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec_61850:*:*:*:*:*:*:*:*Range: <4.37
Patches
Vulnerability mechanics
References
2- cert-portal.siemens.com/productcert/pdf/ssa-418979.pdfnvdVendor Advisory
- www.us-cert.gov/ics/advisories/icsa-19-344-07nvdThird Party AdvisoryUS Government Resource
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