CVE-2021-22787
A CWE-20: Improper Input Validation vulnerability exists that could cause denial of service of the device 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)
- Score
- CVSS 3.1 7.5 High
- Status
- Modified - cybersecurity@se.com
- Published
- 2022-02-11
- Last modified
- 2026-05-29
- Weaknesses
- CWE-20
Affected products
- 140cpu65150 Firmware (Schneider-electric)
- 140noc77101 Firmware (Schneider-electric)
- 140noc78x00 Firmware (Schneider-electric)
- 140noe771x1 Firmware (Schneider-electric)
- Bmxnoc0401 Firmware (Schneider-electric)
- Bmxnoe0100 Firmware (Schneider-electric)
- Bmxnoe0110 Firmware (Schneider-electric)
- Bmxnor0200h Rtu Firmware (Schneider-electric)
- Modicon M340 Bmxp342020 Firmware (Schneider-electric)
- Tsxety4103 Firmware (Schneider-electric)
- Tsxety5103 Firmware (Schneider-electric)
- Tsxp574634 Firmware (Schneider-electric)
- Tsxp575634 Firmware (Schneider-electric)
- Tsxp576634 Firmware (Schneider-electric)
References
- https://download.schneider-electric.com/files?p_Doc_Ref=SEVD-2021-257-02
