High severity7.5NVD Advisory· Published Mar 8, 2018· Updated Jun 17, 2026
CVE-2018-4840
CVE-2018-4840
Description
A vulnerability has been identified in DIGSI 4 (All versions < V4.92), EN100 Ethernet module DNP3 variant (All versions < V1.05.00), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). The device engineering mechanism allows an unauthenticated remote user to upload a modified device configuration overwriting access authorization passwords.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18cpe:2.3:o:siemens:digsi_4:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:siemens:digsi_4:*:*:*:*:*:*:*:*range: <4.92
- (no CPE)range: <4.92
- (no CPE)range: All versions < V4.92
- cpe:2.3:o:siemens:en100_ethernet_module_dnp3_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_iec_104_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_iec_61850_firmware:*:*:*:*:*:*:*:*Range: <4.30
- cpe:2.3:o:siemens:en100_ethernet_module_modbus_tcp_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:en100_ethernet_module_profinet_io_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:siprotec_4_7sj66_firmware:*:*:*:*:*:*:*:*Range: <4.30
- cpe:2.3:o:siemens:siprotec_compact_7sj80_firmware:*:*:*:*:*:*:*:*Range: <4.77
- cpe:2.3:o:siemens:siprotec_compact_7sk80_firmware:*:*:*:*:*:*:*:*Range: <4.77
<4.30+ 1 more
- (no CPE)range: <4.30
- (no CPE)range: All versions < V4.30
<1.05.00+ 1 more
- (no CPE)range: <1.05.00
- (no CPE)range: All versions < V1.05.00
All versions+ 1 more
- (no CPE)range: All versions
- (no CPE)range: All versions
- Range: All versions
Patches
Vulnerability mechanics
References
2- cert-portal.siemens.com/productcert/pdf/ssa-203306.pdfnvdPatchVendor Advisory
- ics-cert.us-cert.gov/advisories/ICSA-18-067-01nvdThird Party AdvisoryUS Government Resource
News mentions
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