Description
A CWE-248: Uncaught Exception vulnerability exists in Modicon M580 (firmware version prior to V2.90) and Modicon M340 (firmware version prior to V3.10), which could cause a possible denial of service when writing to specific memory addresses in the controller over Modbus.
References (1)
Core 1
Core References
Vendor Advisory x_refsource_confirm
https://www.schneider-electric.com/en/download/document/SEVD-2019-134-11/
Scores
CVSS v3
7.5
EPSS
0.0161
EPSS Percentile
72.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-248
CWE-755
Status
published
Products (4)
Schneider Electric SE/Modicon M340
firmware version prior to V3.10
Schneider Electric SE/Modicon M580
firmware version prior to V2.90
schneider-electric/modicon_m340_firmware
< 3.10
schneider-electric/modicon_m580_firmware
< 2.90
Published
Sep 17, 2019
Tracked Since
Feb 18, 2026