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 reque…
Impact
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)
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Schneider-Electric | Modicon M340 Bmxp342020 Firmware | before 3.40 |
| Schneider-Electric | Bmxnoe0100 Firmware | All versions |
| Schneider-Electric | Bmxnoe0110 Firmware | All versions |
| Schneider-Electric | Bmxnoc0401 Firmware | All versions |
| Schneider-Electric | Bmxnor0200h Rtu Firmware | All versions |
| Schneider-Electric | Tsxp574634 Firmware | All versions |
| Schneider-Electric | Tsxp575634 Firmware | All versions |
| Schneider-Electric | Tsxp576634 Firmware | All versions |
| Schneider-Electric | 140cpu65150 Firmware | All versions |
| Schneider-Electric | 140noe771x1 Firmware | All versions |
| Schneider-Electric | 140noc78x00 Firmware | All versions |
| Schneider-Electric | 140noc77101 Firmware | All versions |