7.8
HIGH
CVE-2018-4858
Siemens IEC 61850 System Configurator Remote Code Execution and Data Exfiltration Vulnerability
Description

A vulnerability has been identified in IEC 61850 system configurator (All versions < V5.80), DIGSI 5 (affected as IEC 61850 system configurator is incorporated) (All versions < V7.80), DIGSI 4 (All versions < V4.93), SICAM PAS/PQS (All versions < V8.11), SICAM PQ Analyzer (All versions < V3.11), SICAM SCC (All versions < V9.02 HF3). A service of the affected products listening on all of the host's network interfaces on either port 4884/TCP, 5885/TCP, or port 5886/TCP could allow an attacker to either exfiltrate limited data from the system or to execute code with Microsoft Windows user permissions. Successful exploitation requires an attacker to be able to send a specially crafted network request to the vulnerable service and a user interacting with the service's client application on the host. In order to execute arbitrary code with Microsoft Windows user permissions, an attacker must be able to plant the code in advance on the host by other means. The vulnerability has limited impact to confidentiality and integrity of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known. Siemens confirms the security vulnerability and provides mitigations to resolve the security issue.

INFO

Published Date :

July 9, 2018, 7:29 p.m.

Last Modified :

Nov. 21, 2024, 4:07 a.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2018-4858 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens ec_61850_system_configurator_firmware
2 Siemens sicam_pq_analyzer_firmware
3 Siemens sicam_scc_firmware
4 Siemens digsi_4_firmware
5 Siemens digsi_5_firmware
6 Siemens sicam_pas\/pqs
7 Siemens sicam_scc
8 Siemens ec_61850_system_configurator
9 Siemens sicam_pq_analyzer
10 Siemens digsi_4
11 Siemens digsi_5
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-4858.

URL Resource
http://www.securityfocus.com/bid/105933 Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-159860.pdf Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-317-01 Third Party Advisory US Government Resource
http://www.securityfocus.com/bid/105933 Third Party Advisory VDB Entry
https://cert-portal.siemens.com/productcert/pdf/ssa-159860.pdf Vendor Advisory
https://ics-cert.us-cert.gov/advisories/ICSA-18-317-01 Third Party Advisory US Government Resource

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-4858 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-4858 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/105933
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-159860.pdf
    Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-18-317-01
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Oct. 16, 2023

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.securityfocus.com/bid/105933 No Types Assigned http://www.securityfocus.com/bid/105933 Third Party Advisory, VDB Entry
    Changed Reference Type https://ics-cert.us-cert.gov/advisories/ICSA-18-317-01 No Types Assigned https://ics-cert.us-cert.gov/advisories/ICSA-18-317-01 Third Party Advisory, US Government Resource
    Removed CPE Configuration AND OR OR
    Added CPE Configuration OR *cpe:2.3:a:siemens:sicam_pas\/pqs:*:*:*:*:*:*:*:* versions up to (excluding) 8.11
  • CPE Deprecation Remap by [email protected]

    Oct. 13, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:siemens:sicam_pas/pqs:-:*:*:*:*:*:*:* OR *cpe:2.3:a:siemens:sicam_pas/pqs:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Oct. 13, 2023

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:siemens:sicam_pas/pqs_firmware:*:*:*:*:*:*:*:* versions from (excluding) 8.11 OR *cpe:2.3:a:siemens:sicam_pas/pqs:*:*:*:*:*:*:*:* versions from (excluding) 8.11
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE Siemens AG CWE-284
  • CWE Remap by [email protected]

    Oct. 03, 2019

    Action Type Old Value New Value
    Changed CWE CWE-284 CWE-284 NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Dec. 13, 2018

    Action Type Old Value New Value
    Changed Description A vulnerability has been identified in IEC 61850 system configurator (All versions < V5.80), DIGSI 5 (affected as IEC 61850 system configurator is incorporated) (All versions < V7.80), DIGSI 4 (All versions), SICAM PAS/PQS (All versions < V8.11), SICAM PQ Analyzer (All versions < V3.11), SICAM SCC (All versions). A service of the affected products listening on all of the host's network interfaces on either port 4884/TCP, 5885/TCP, or port 5886/TCP could allow an attacker to either exfiltrate limited data from the system or to execute code with Microsoft Windows user permissions. Successful exploitation requires an attacker to be able to send a specially crafted network request to the vulnerable service and a user interacting with the service's client application on the host. In order to execute arbitrary code with Microsoft Windows user permissions, an attacker must be able to plant the code in advance on the host by other means. The vulnerability has limited impact to confidentiality and integrity of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known. Siemens confirms the security vulnerability and provides mitigations to resolve the security issue. A vulnerability has been identified in IEC 61850 system configurator (All versions < V5.80), DIGSI 5 (affected as IEC 61850 system configurator is incorporated) (All versions < V7.80), DIGSI 4 (All versions < V4.93), SICAM PAS/PQS (All versions < V8.11), SICAM PQ Analyzer (All versions < V3.11), SICAM SCC (All versions < V9.02 HF3). A service of the affected products listening on all of the host's network interfaces on either port 4884/TCP, 5885/TCP, or port 5886/TCP could allow an attacker to either exfiltrate limited data from the system or to execute code with Microsoft Windows user permissions. Successful exploitation requires an attacker to be able to send a specially crafted network request to the vulnerable service and a user interacting with the service's client application on the host. In order to execute arbitrary code with Microsoft Windows user permissions, an attacker must be able to plant the code in advance on the host by other means. The vulnerability has limited impact to confidentiality and integrity of the affected system. At the time of advisory publication no public exploitation of this security vulnerability was known. Siemens confirms the security vulnerability and provides mitigations to resolve the security issue.
  • CVE Modified by [email protected]

    Nov. 16, 2018

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/105933 [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 14, 2018

    Action Type Old Value New Value
    Added Reference https://ics-cert.us-cert.gov/advisories/ICSA-18-317-01 [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 14, 2018

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 (AV:N/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
    Changed Reference Type https://cert-portal.siemens.com/productcert/pdf/ssa-159860.pdf No Types Assigned https://cert-portal.siemens.com/productcert/pdf/ssa-159860.pdf Vendor Advisory
    Added CWE CWE-284
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:ec_61850_system_configurator_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 5.80 OR cpe:2.3:h:siemens:ec_61850_system_configurator:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:sicam_pas\/pqs_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 8.11 OR cpe:2.3:h:siemens:sicam_pas\/pqs:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:sicam_pq_analyzer_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 3.11 OR cpe:2.3:h:siemens:sicam_pq_analyzer:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:sicam_scc_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:sicam_scc:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:digsi_4_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:siemens:digsi_4:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:siemens:digsi_5_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 7.80 OR cpe:2.3:h:siemens:digsi_5:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-4858 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.22 }} 0.02%

score

0.59196

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability