5
CVSSv2

CVE-2021-22788

Published: 11/02/2022 Updated: 10/04/2024
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Summary

A CWE-787: Out-of-bounds Write vulnerability exists that could cause denial of service when an attacker sends a specially crafted HTTP request to the web server of the device. Affected Product: Modicon M340 CPUs: BMXP34 (Versions prior to V3.40), Modicon M340 X80 Ethernet Communication Modules: BMXNOE0100 (H), BMXNOE0110 (H), BMXNOC0401, BMXNOR0200H RTU (All Versions), Modicon Premium Processors with integrated Ethernet (Copro): TSXP574634, TSXP575634, TSXP576634 (All Versions), Modicon Quantum Processors with Integrated Ethernet (Copro): 140CPU65xxxxx (All Versions), Modicon Quantum Communication Modules: 140NOE771x1, 140NOC78x00, 140NOC77101 (All Versions), Modicon Premium Communication Modules: TSXETY4103, TSXETY5103 (All Versions)

Vulnerability Trend

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schneider-electric modicon_m340_bmxp342020_firmware

schneider-electric bmxnoe0100_firmware

schneider-electric bmxnoe0110_firmware

schneider-electric bmxnoc0401_firmware

schneider-electric bmxnor0200h_rtu_firmware

schneider-electric tsxp574634_firmware

schneider-electric tsxp575634_firmware

schneider-electric tsxp576634_firmware

schneider-electric 140cpu65150_firmware

schneider-electric 140noe771x1_firmware

schneider-electric 140noc78x00_firmware

schneider-electric 140noc77101_firmware

schneider-electric tsxety4103_firmware

schneider-electric tsxety5103_firmware