critical9.8
CVE-2020-7540
A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premi…
Impact
A CWE-306: Missing Authentication for Critical Function vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause unauthenticated command execution in the controller when sending special HTTP requests.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Schneider-Electric | Modicon M340 Bmxp341000 Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp342000 Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp3420102 Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp3420102cl Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp342020 Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp3420302 Firmware | before 3.30 |
| Schneider-Electric | Modicon M340 Bmxp3420302cl Firmware | before 3.30 |
| Schneider-Electric | Bmxnoe0100 Firmware | before 3.3 |
| Schneider-Electric | Bmxnoe0110 Firmware | before 6.5 |
| Schneider-Electric | 140noe77101 Firmware | before 7.1 |
| Schneider-Electric | 140noe77111 Firmware | before 7.1 |
| Schneider-Electric | 140cpu65150 Firmware | before 6.1 |