// For flags

CVE-2020-7543

 

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (see security notifications for affected versions), that could cause denial of service when a specially crafted Read Physical Memory request over Modbus is sent to the controller.

Una CWE-754: Se presenta una vulnerabilidad de Comprobación Inapropiada de Condiciones Inusuales o Excepcionales en Modicon M580, Modicon M340, Legacy Controllers Modicon Quantum & Modicon Premium (consulte las notificaciones de seguridad para las versiones afectadas), que podría causar una denegación de servicio cuando una petición Read Physical Memory especialmente diseñada a través de Modbus es enviada hacia el controlador

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-01-21 CVE Reserved
  • 2020-12-11 CVE Published
  • 2023-08-26 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-754: Improper Check for Unusual or 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 Bmep584040 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep584040
Search vendor "Schneider-electric" for product "Modicon M580 Bmep584040"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep582040 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep582040
Search vendor "Schneider-electric" for product "Modicon M580 Bmep582040"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep586040 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep586040
Search vendor "Schneider-electric" for product "Modicon M580 Bmep586040"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep585040 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep585040
Search vendor "Schneider-electric" for product "Modicon M580 Bmep585040"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep582020 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep582020
Search vendor "Schneider-electric" for product "Modicon M580 Bmep582020"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep581020 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep581020
Search vendor "Schneider-electric" for product "Modicon M580 Bmep581020"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep584020 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep584020 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep584020 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep584020
Search vendor "Schneider-electric" for product "Modicon M580 Bmep584020"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep583040 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep583040 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep583040 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep583040
Search vendor "Schneider-electric" for product "Modicon M580 Bmep583040"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep583020 Firmware
Search vendor "Schneider-electric" for product "Modicon M580 Bmep583020 Firmware"
< 3.20
Search vendor "Schneider-electric" for product "Modicon M580 Bmep583020 Firmware" and version " < 3.20"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M580 Bmep583020
Search vendor "Schneider-electric" for product "Modicon M580 Bmep583020"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp341000 Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp341000 Firmware"
< 3.30
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp341000 Firmware" and version " < 3.30"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp341000
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp341000"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp342000 Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342000 Firmware"
< 3.30
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342000 Firmware" and version " < 3.30"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp342000
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342000"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420102 Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102 Firmware"
< 3.30
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102 Firmware" and version " < 3.30"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420102
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420102cl Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102cl Firmware"
< 3.30
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102cl Firmware" and version " < 3.30"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420102cl
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420102cl"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp342020 Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020 Firmware"
< 3.30
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020 Firmware" and version " < 3.30"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp342020
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp342020"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420302 Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302 Firmware"
< 3.30
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302 Firmware" and version " < 3.30"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420302
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302"
--
Safe
Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420302cl Firmware
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302cl Firmware"
< 3.30
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302cl Firmware" and version " < 3.30"
-
Affected
in Schneider-electric
Search vendor "Schneider-electric"
Modicon M340 Bmxp3420302cl
Search vendor "Schneider-electric" for product "Modicon M340 Bmxp3420302cl"
--
Safe