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Status published
Medium
CVE-2019-6843
A CWE-755: Improper Handling of Exceptional Conditions vulnerability exists in...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Affected Software
Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)
Vulnerable Versions:
Modicon M580, Modicon M340, and Modicon BMxCRA / 140CRA modules (see notification for version info)
Timeline
Official Publish:
October 29th, 2019
Last Modified:
August 4th, 2024
Added to House:
July 20th, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H