7.5
HIGH
CVE-2019-6813
"BMXNOR0200H and Modicon M340 Denial of Service"
Description

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in BMXNOR0200H Ethernet / Serial RTU module (all firmware versions) and Modicon M340 controller (all firmware versions), which could cause denial of service when truncated SNMP packets on port 161/UDP are received by the device.

INFO

Published Date :

Sept. 17, 2019, 8:15 p.m.

Last Modified :

Nov. 21, 2024, 4:47 a.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2019-6813 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 bmxnor0200h_firmware
2 Schneider-electric modicon_m340_firmware
3 Schneider-electric modicon_m340
4 Schneider-electric bmxnor0200h
References to Advisories, Solutions, and Tools

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-2019-6813 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2019-6813 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 https://security.cse.iitk.ac.in/responsible-disclosure
    Added Reference https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/
    Added Reference https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/
  • 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
    Changed Reference Type https://security.cse.iitk.ac.in/responsible-disclosure No Types Assigned https://security.cse.iitk.ac.in/responsible-disclosure Third Party Advisory
    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:-:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Oct. 09, 2019

    Action Type Old Value New Value
    Added CWE Schneider Electric SE CWE-754
  • CVE Modified by [email protected]

    Oct. 02, 2019

    Action Type Old Value New Value
    Added Reference https://security.cse.iitk.ac.in/responsible-disclosure [No Types Assigned]
  • Initial Analysis by [email protected]

    Sep. 18, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    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.schneider-electric.com/en/download/document/SEVD-2019-225-02/ No Types Assigned https://www.schneider-electric.com/en/download/document/SEVD-2019-225-02/ Vendor Advisory
    Changed Reference Type https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/ No Types Assigned https://www.schneider-electric.com/en/download/document/SEVD-2019-225-03/ Vendor Advisory
    Added CWE CWE-754
    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:bmxnor0200h_firmware:-:*:*:*:*:*:*:* OR cpe:2.3:h:schneider-electric:bmxnor0200h:-:*:*:*:*:*:*:*
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-2019-6813 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-2019-6813 weaknesses.

Exploit Prediction

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

0.28 }} -0.03%

score

0.67973

percentile

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