CVE-2019-6843

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.

CVSS v3 4.9 MEDIUM
CVSS v2.0 4.0 MEDIUM

4.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.se.com/ww/en/download/document/SEVD-2019-281-02/	Vendor Advisory

Configurations

Configuration 1 (hide)

AND

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

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

Configuration 2 (hide)

AND

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

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

Configuration 3 (hide)

AND

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

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

Configuration 4 (hide)

AND

cpe:2.3:o:schneider-electric:modicon_140cra_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:schneider-electric:modicon_140cra:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2019-10-29 19:15

Updated : 2024-02-28 17:28

NVD link : CVE-2019-6843

Mitre link : CVE-2019-6843

CVE.ORG link : CVE-2019-6843

JSON object : View

Products Affected

schneider-electric

modicon_m580
modicon_140cra_firmware
modicon_m340_firmware
modicon_140cra
modicon_m340
modicon_m580_firmware
modicon_bmxcra_firmware
modicon_bmxcra

CWE

CWE-755

Improper Handling of Exceptional Conditions

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