9.8
CRITICAL
CVE-2018-7846
"Modicon Controller Modbus Trust Boundary Violation"
Description

A CWE-501: Trust Boundary Violation vulnerability on connection to the Controller exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum and Modicon Premium which could cause unauthorized access by conducting a brute force attack on Modbus protocol to the controller.

INFO

Published Date :

May 22, 2019, 8:29 p.m.

Last Modified :

Feb. 3, 2022, 2:07 p.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2018-7846 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2018-7846 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 Schneider-electric modicon_m580_firmware
2 Schneider-electric modicon_m340_firmware
3 Schneider-electric modicon_premium_firmware
4 Schneider-electric modicon_quantum_firmware
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-2018-7846.

URL Resource
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735 Exploit Third Party Advisory

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).

CVE-2018-7846

Python

Updated: 1 year ago
0 stars 0 fork 0 watcher
Born at : Oct. 24, 2023, 2:20 a.m. This repo has been linked 1 different CVEs too.

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

The following list is the news that have been mention CVE-2018-7846 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-7846 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 [email protected]

    May. 14, 2024

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

    Feb. 03, 2022

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735 No Types Assigned https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735 Exploit, Third Party Advisory
    Removed CWE NIST NVD-CWE-noinfo
    Added CWE NIST CWE-668
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 31, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 31, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 19, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m340:-:*:*:*:*:*:*:*
  • CWE Remap by [email protected]

    Aug. 24, 2020

    Action Type Old Value New Value
    Changed CWE CWE-119 NVD-CWE-noinfo
  • CVE Modified by [email protected]

    Jun. 10, 2019

    Action Type Old Value New Value
    Added Reference https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0735 [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 23, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ No Types Assigned https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/ Vendor Advisory
    Added CWE CWE-119
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_quantum_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_premium_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:*
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-2018-7846 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-7846 weaknesses.

Exploit Prediction

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

0.42 }} -0.05%

score

0.70360

percentile

CVSS31 - Vulnerability Scoring System
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