Cross-site scripting in Siemens EN100 Ethernet module DNP3 variant
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
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). The web interface could allow Cross-Site Scripting (XSS) attacks if an attacker is able to modify content of particular web pages, causing the application to behave in unexpected ways for legitimate users. Successful exploitation does not require for an attacker to be authenticated to the web interface. This could allow the attacker to read or modify contents of the web application. At the time of advisory publication no public exploitation of this security. vulnerability was known.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | EN100 Ethernet module DNP3 variant | All versions | — | No fix listed | CNA |
| Siemens | EN100 Ethernet module IEC 61850 variant | before V4.37 | V4.37 | Patch available | CNA |
| Siemens | EN100 Ethernet module IEC104 variant | All versions | — | No fix listed | CNA |
| Siemens | EN100 Ethernet module Modbus TCP variant | All versions | — | No fix listed | CNA |
| Siemens | EN100 Ethernet module PROFINET IO variant | All versions | — | No fix listed | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_dnp3_tcp:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec_61850:*:*:*:*:*:*:*:* | before 4.37 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec104:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_modbus_tcp:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_profinet_io:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:en100_ethernet_module:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- 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
- 2026-10-02 Threatist record created from CVE-2019-13943
- 2026-10-03 Alias added: GHSA-x46f-47h6-v9jx
References
More Siemens En100 Ethernet Module With Firmware Variant Dnp3 Tcp vulnerabilities
- TI-2019-10395 Memory corruption in Siemens EN100 Ethernet module DNP3 variant CVSS 3.1HIGH 7.5
- 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
- CVE-2019-13943 · CVE Program
- CVE-2019-13943 · NVD
- FIRST EPSS
- GHSA-x46f-47h6-v9jx · GitHub Advisory Database · CC BY 4.0
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