CVE-2018-4839

Medium

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), Other SIPROTEC 4 relays (All versions), Other SIPROTEC Compact relays (All versions), SIPROTEC 4 7SD80 (All versions < V4.70), SIPROTEC 4 7SJ61 (All versions < V4.96), SIPROTEC 4 7SJ62 (All versions < V4.96), SIPROTEC 4 7SJ64 (All versions < V4.96), SIPROTEC 4 7SJ66 (All versions < V4.30), SIPROTEC Compact 7SJ80 (All versions < V4.77), SIPROTEC Compact 7SK80 (All versions < V4.77). An attacker with local access to the engineering system or in a privileged network position and able to obtain certain network traffic could possibly reconstruct access authorization passwords.

SeverityMedium
CVSS5.3
Exploit probability—
ProductSiemens Siprotec Compact 7sj80 Firmware
PublishedMar 8, 2018
First seenMar 8, 2018
Weakness typeCWE-326CWE-326

How to fix

Update
  • siemens siprotec_compact_7sj80_firmware4.77 or later
  • siemens siprotec_compact_7sk80_firmware4.77 or later
  • siemens siprotec_4_7sj66_firmware4.30 or later
  • siemens digsi_44.92 or later
  • siemens en100_ethernet_module_iec_61850_firmware4.30 or later

Affected products

ProductAffected versionsFixed in
siemens siprotec_compact_7sj80_firmwarev < 4.774.77
siemens siprotec_compact_7sk80_firmwarev < 4.774.77
siemens siprotec_4_7sj66_firmwarev < 4.304.30
siemens digsi_4v < 4.924.92
siemens en100_ethernet_module_iec_104_firmwareNo range specified—
siemens en100_ethernet_module_dnp3_firmwareNo range specified—
siemens en100_ethernet_module_modbus_tcp_firmwareNo range specified—
siemens en100_ethernet_module_profinet_io_firmwareNo range specified—
siemens en100_ethernet_module_iec_61850_firmwarev < 4.304.30

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