CVE-2018-4839

CVSS V2 Low 3.5 CVSS V3 Medium 5.3
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.
Overview
  • CVE ID
  • CVE-2018-4839
  • Assigner
  • productcert@siemens.com
  • Vulnerability Status
  • Modified
  • Published Version
  • 2018-03-08T17:29:00
  • Last Modified Date
  • 2021-07-13T12:15:08
Weakness Enumerations
CWE URL
CWE-326 http://cwe.mitre.org/data/definitions/326.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:siemens:siprotec_compact_7sj80_firmware:*:*:*:*:*:*:*:* 1 OR 4.77
cpe:2.3:h:siemens:siprotec_compact_7sj80:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:siprotec_compact_7sk80_firmware:*:*:*:*:*:*:*:* 1 OR 4.77
cpe:2.3:h:siemens:siprotec_compact_7sk80:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:siprotec_4_7sj66_firmware:*:*:*:*:*:*:*:* 1 OR 4.30
cpe:2.3:h:siemens:siprotec_4_7sj66:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:digsi_4:*:*:*:*:*:*:*:* 1 OR 4.92
AND
cpe:2.3:o:siemens:en100_ethernet_module_iec_104_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:en100_ethernet_module_iec_104:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:en100_ethernet_module_dnp3_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:en100_ethernet_module_dnp3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:en100_ethernet_module_modbus_tcp_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:en100_ethernet_module_modbus_tcp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:en100_ethernet_module_profinet_io_firmware:-:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:siemens:en100_ethernet_module_profinet_io:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:siemens:en100_ethernet_module_iec_61850_firmware:*:*:*:*:*:*:*:* 1 OR 4.30
cpe:2.3:h:siemens:en100_ethernet_module_iec_61850:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.6
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://cert-portal.siemens.com/productcert/pdf/ssa-203306.pdf Patch Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-067-01 Third Party Advisory US Government Resource
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2018-4839
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4839
History
Created Old Value New Value Data Type Notes
2022-05-10 07:07:27 Added to TrackCVE
2022-12-03 03:08:43 2018-03-08T17:29Z 2018-03-08T17:29:00 CVE Published Date updated
2022-12-03 03:08:43 2021-07-13T12:15:08 CVE Modified Date updated
2022-12-03 03:08:43 Modified Vulnerability Status updated