CVE-2018-4840
A vulnerability has been identified in DIGSI 4 (All versions < V4.92), EN100 Ethernet module DNP3 variant (All versions < V1.05.00), EN100…
Published 8 y ago · modified 4 mo ago · JSON
Summary
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.
Exploit prediction (EPSS)
1.78% probability of exploitation in the next 30 days, higher than 78% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Siemens DIGSI 4
- Siemens EN100 Ethernet module DNP3 variant
- Siemens EN100 Ethernet module IEC 104 variant
- Siemens EN100 Ethernet module IEC 61850 variant
- Siemens EN100 Ethernet module Modbus TCP variant
- Siemens EN100 Ethernet module PROFINET IO variant
Classification
- Weakness
- CWE-306 Missing Authentication for Critical Functionality
References
- cert-portal.siemens.com /productcert/pdf/ssa-203306.pdf · x_refsource_CONFIRM, x_transferred
- ics-cert.us-cert.gov /advisories/ICSA-18-067-01 · Third Party Advisory, US Government Resource
Sources
- CVE List: CVE-2018-4840
- NVD: CVE-2018-4840
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