8.2
HIGH
CVE-2019-6820
Modicon Authentication Bypass Enables IP Configuration Modification
Description

A CWE-306: Missing Authentication for Critical Function vulnerability exists which could cause a modification of device IP configuration (IP address, network mask and gateway IP address) when a specific Ethernet frame is received in all versions of: Modicon M100, Modicon M200, Modicon M221, ATV IMC drive controller, Modicon M241, Modicon M251, Modicon M258, Modicon LMC058, Modicon LMC078, PacDrive Eco ,PacDrive Pro, PacDrive Pro2

INFO

Published Date :

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

Last Modified :

Feb. 3, 2022, 2:29 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

4.2

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2019-6820 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-2019-6820 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_m221_firmware
2 Schneider-electric modicon_m258_firmware
3 Schneider-electric modicon_m241_firmware
4 Schneider-electric modicon_m251_firmware
5 Schneider-electric modicon_m100_firmware
6 Schneider-electric modicon_m200_firmware
7 Schneider-electric atv_imc_drive_controller_firmware
8 Schneider-electric modicon_lmc058_firmware
9 Schneider-electric modicon_lmc078_firmware
10 Schneider-electric pacdrive_eco_firmware
11 Schneider-electric pacdrive_pro_firmware
12 Schneider-electric pacdrive_pro2_firmware
: Total Affected Vendor : 1 | Products : 12
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-2019-6820.

URL Resource
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/ 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).

Profile Photo
n0-traces/cve_monitor

Automatic monitor github cve using Github Actions

Python

Updated: 1 month, 3 weeks ago
1 stars 56 fork 56 watcher
Born at : April 7, 2021, 11:16 a.m. This repo has been linked 1007 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-2019-6820 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6820 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:N/I:L/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
    Changed CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:se:modicon_m241_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:se:modicon_m251_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*
    Changed CPE Configuration AND OR *cpe:2.3:o:se:modicon_m258_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:* AND OR *cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:*
  • 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_m221_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 31, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m221_firmware:*:*:*:*:*:*:*:*
  • 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_m221_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 31, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m241_firmware:*:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 31, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m251_firmware:*:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Jan. 31, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m258_firmware:*:*:*:*:*:*:*:*
  • 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_m241_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:*
  • 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_m251_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:*
  • 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_m258_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:*
  • 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_m100_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:*
  • 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_m200_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:*
  • 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_m258:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:*
  • 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_m241:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*
  • 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_m251:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*
  • 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_m100:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m100:-:*:*:*:*:*:*:*
  • 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_m221:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:*
  • 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_m200:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m200:-:*:*:*:*:*:*:*
  • 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_m221:-:*:*:*:*:*:*:* OR *cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*
  • 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_m251:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m251:-:*:*:*:*:*:*:*
  • 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_m241:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m241:-:*:*:*:*:*:*:*
  • 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_m200:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m200:-:*:*:*:*:*:*:*
  • 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_m100:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m100:-:*:*:*:*:*:*:*
  • 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_m258:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m258:-:*:*:*:*:*:*:*
  • 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_m221:-:*:*:*:*:*:*:* OR *cpe:2.3:h:se:modicon_m221:-:*:*:*:*:*:*:*
  • 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_m241_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m241_firmware:*:*:*:*:*:*:*:*
  • 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_m251_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m251_firmware:*:*:*:*:*:*:*:*
  • 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_m258_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m258_firmware:*:*:*:*:*:*:*:*
  • 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_m221_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m221_firmware:*:*:*:*:*:*:*:*
  • 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_m200_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m200_firmware:*:*:*:*:*:*:*:*
  • 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_m100_firmware:*:*:*:*:*:*:*:* OR *cpe:2.3:o:se:modicon_m100_firmware:*:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE Schneider Electric SE CWE-306
  • Initial Analysis by [email protected]

    May. 24, 2019

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:P/A:P)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
    Changed Reference Type https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/ No Types Assigned https://www.schneider-electric.com/en/download/document/SEVD-2019-134-02/ Vendor Advisory
    Added CWE CWE-306
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m100_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m100:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m200_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m200:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m221_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m221:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:atv_imc_drive_controller_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:atv_imc_drive_controller:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m241_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m241:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m251_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m251:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_m258_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_m258:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_lmc058_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_lmc058:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:modicon_lmc078_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:modicon_lmc078:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:pacdrive_eco_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:pacdrive_eco:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:pacdrive_pro_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:pacdrive_pro:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:schneider-electric:pacdrive_pro2_firmware:*:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:pacdrive_pro2:-:*:*:*:*:*:*:*
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-2019-6820 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-2019-6820 weaknesses.

Exploit Prediction

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

0.10 }} 0.00%

score

0.40663

percentile

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