CVE-2020-7533
Critical
Description
CWE-287: Improper Authentication vulnerability exists which could cause the execution of commands on the webserver without authentication when sending specially crafted HTTP requests.
SeverityCritical
CVSS9.8
Exploit probability—
ProductSchneider-electric Modicon M340 Bmxp3420302 Firmware
PublishedDec 1, 2020
First seenDec 1, 2020
Weakness typeCWE-287Improper authentication
How to fix
Update
- schneider-electric modicon_m340_bmxp3420302_firmware3.20 or later
- schneider-electric modicon_m340_bmxp342000_firmware3.20 or later
- schneider-electric modicon_m340_bmxp341000_firmware3.20 or later
- schneider-electric modicon_m340_bmxp3420102_firmware3.20 or later
- schneider-electric bmxnoe0100_firmware3.3 or later
- schneider-electric bmxnoe0110_firmware6.5 or later
- schneider-electric bmxnoc0401_firmware2.10 or later
- schneider-electric tsxp574634_firmware6.1 or later
- schneider-electric tsxp575634_firmware6.1 or later
- schneider-electric tsxp576634_firmware6.1 or later
- schneider-electric tsxety4103_firmware6.2 or later
- schneider-electric tsxety5103_firmware6.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric modicon_m340_bmxp3420302_firmware | v < 3.20 | 3.20 |
| schneider-electric modicon_m340_bmxp342000_firmware | v < 3.20 | 3.20 |
| schneider-electric modicon_m340_bmxp341000_firmware | v < 3.20 | 3.20 |
| schneider-electric modicon_m340_bmxp3420102_firmware | v < 3.20 | 3.20 |
| schneider-electric bmxnoe0100_firmware | v < 3.3 | 3.3 |
| schneider-electric bmxnoe0110_firmware | v < 6.5 | 6.5 |
| schneider-electric bmxnoc0401_firmware | v < 2.10 | 2.10 |
| schneider-electric tsxp574634_firmware | v < 6.1 | 6.1 |
| schneider-electric tsxp575634_firmware | v < 6.1 | 6.1 |
| schneider-electric tsxp576634_firmware | v < 6.1 | 6.1 |
| schneider-electric tsxety4103_firmware | v < 6.2 | 6.2 |
| schneider-electric tsxety5103_firmware | v < 6.4 | 6.4 |
| schneider-electric 140noe77111_firmware | v < 7.1 | 7.1 |
| schneider-electric 140noc78000_firmware | v < 1.74 | 1.74 |
| schneider-electric 140noc77101_firmware | v < 1.08 | 1.08 |
| schneider-electric 140cpu65260_firmware | v < 6.1 | 6.1 |
Check your version
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