7.5
HIGH
CVE-2020-7524
Modicon M218 Logic Controller IP Denial of Service Vulnerability
Description

Out-of-bounds Write vulnerability exists in Modicon M218 Logic Controller (V5.0.0.7 and prior) which could cause Denial of Service when sending specific crafted IPV4 packet to the controller: Sending a specific IPv4 protocol package to Schneider Electric Modicon M218 Logic Controller can cause IPv4 devices to go down. The device does not work properly and must be powered back on to return to normal.

INFO

Published Date :

Aug. 31, 2020, 5:15 p.m.

Last Modified :

Jan. 31, 2022, 7:52 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2020-7524 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-2020-7524 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_m218_firmware
: Total Affected Vendor : 1 | Products : 1
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-2020-7524.

URL Resource
https://www.se.com/ww/en/download/document/SEVD-2020-224-03/ Vendor 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).

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

The following list is the news that have been mention CVE-2020-7524 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-7524 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
  • CPE Deprecation Remap by [email protected]

    Jan. 31, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:se:modicon_m218_firmware:*:*:*:*:*:*:*:* versions from (including) 5.0.0.7 OR *cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:* versions from (including) 5.0.0.7
  • 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_m218:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m218:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 26, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:h:schneider-electric:modicon_m218:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m218:-:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 19, 2021

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:* versions from (including) 5.0.0.7 OR *cpe:2.3:o:se:modicon_m218_firmware:*:*:*:*:*:*:*:* versions from (including) 5.0.0.7
  • Initial Analysis by [email protected]

    Sep. 08, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://www.se.com/ww/en/download/document/SEVD-2020-224-03/ No Types Assigned https://www.se.com/ww/en/download/document/SEVD-2020-224-03/ Vendor Advisory
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m218_firmware:*:*:*:*:*:*:*:* versions up to (including) 5.0.0.7 OR cpe:2.3:h:schneider-electric:modicon_m218:-:*:*:*:*:*:*:*
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-2020-7524 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-2020-7524 weaknesses.

Exploit Prediction

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

0.08 }} 0.01%

score

0.33827

percentile

CVSS31 - Vulnerability Scoring System
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