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CVE-2019-6844

Published: Oct 29, 2019Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-755
NVD MITRE
4.9CVSSMEDIUM
EPSS Score
1.0%
Top 43.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in Modicon M580, Modicon M340, Modicon BMxCRA and 140CRA modules (all firmware versions), which could cause a Denial of Service atack on the PLC when upgrading the controller with a firmware package containing an invalid web server image using FTP protocol.

CVSS Vector Breakdown

AV:NAC:LPR:HUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-755

Affected Products

Modicon M340Schneider ElectricICS / OT / IoT
Modicon M580Schneider ElectricICS / OT / IoT
Modicon BMxCRASchneider ElectricICS / OT / IoT
140CRA modulesSchneider ElectricICS / OT / IoT
Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)n/a
schneider electriccommercialFRICS / OT / IoTaka schneider-electric
and 4 more affected products View all →

Exploitability

Official Patch Available

References

https://nvd.nist.gov/vuln/detail/CVE-2019-6844
nvd.nist.gov
https://www.schneider-electric.com/en/download/document/SEVD-2019-281-02/
schneider-electric.com
https://www.se.com/ww/en/download/document/SEVD-2019-281-02/
se.com

Timeline

Published
Oct 29, 2019
Last Updated
Nov 21, 2024

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