CVE-2018-7856

A CWE-248: Uncaught Exception vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause a possible denial of Service when writing invalid memory blocks to the controller over Modbus.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/	Mitigation Vendor Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0767	Exploit Third Party Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_premium_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_premium:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_quantum_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_quantum:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m340_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m340:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_m580_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_m580:-:*:*:*:*:*:*:*

Information

Published : 2019-05-22 14:29

Updated : 2022-02-03 06:23

NVD link : CVE-2018-7856

Mitre link : CVE-2018-7856

JSON object : View

CWE

CWE-754

Improper Check for Unusual or Exceptional Conditions

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Products Affected

schneider-electric

modicon_premium
modicon_quantum_firmware
modicon_quantum
modicon_m580_firmware
modicon_m340_firmware
modicon_m340
modicon_premium_firmware
modicon_m580

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