// For flags

CVE-2019-6843

 

Severity Score

4.9
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580 with firmware (version prior to V3.10), Modicon M340 (all firmware versions), and Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service attack on the PLC when upgrading the controller with an empty firmware package using FTP protocol.

Existe una vulnerabilidad CWE-755: Manejo inadecuado de condiciones excepcionales en Modicon M580 con firmware (versión anterior a V3.10), Modicon M340 (todas las versiones de firmware) y módulos Modicon BMxCRA y 140CRA (todas las versiones de firmware), que podría causar un ataque de denegación de servicio en el PLC al actualizar el controlador con un paquete de firmware vacío utilizando el protocolo FTP

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2019-01-25 CVE Reserved
  • 2019-10-29 CVE Published
  • 2023-03-08 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-755: Improper Handling of Exceptional Conditions
CAPEC
References (1)
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Firmware"
*-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580
Search vendor "Schneider-electric" for product "Modicon M580"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Firmware"
*-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340
Search vendor "Schneider-electric" for product "Modicon M340"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon Bmxcra Firmware
Search vendor "Schneider-electric" for product "Modicon Bmxcra Firmware"
*-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon Bmxcra
Search vendor "Schneider-electric" for product "Modicon Bmxcra"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon 140cra Firmware
Search vendor "Schneider-electric" for product "Modicon 140cra Firmware"
*-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon 140cra
Search vendor "Schneider-electric" for product "Modicon 140cra"
--
Safe