CVE-2020-7535
High
Description
A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal' Vulnerability Type) 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 disclosure of information when sending a specially crafted request to the controller over HTTP.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSchneider-electric Modicon M340 Bmxp341000 Firmware
PublishedDec 11, 2020
First seenDec 11, 2020
Weakness typeCWE-22Path traversal
How to fix
Update
- schneider-electric modicon_m340_bmxp341000_firmware3.30 or later
- schneider-electric modicon_m340_bmxp342000_firmware3.30 or later
- schneider-electric modicon_m340_bmxp3420102_firmware3.30 or later
- schneider-electric modicon_m340_bmxp3420102cl_firmware3.30 or later
- schneider-electric modicon_m340_bmxp342020_firmware3.30 or later
- schneider-electric modicon_m340_bmxp3420302_firmware3.30 or later
- schneider-electric modicon_m340_bmxp3420302cl_firmware3.30 or later
- schneider-electric bmxnoe0100_firmware3.4 or later
- schneider-electric bmxnoe0110_firmware6.6 or later
- schneider-electric 140noe77101_firmware7.3 or later
- schneider-electric 140noe77111_firmware7.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric modicon_m340_bmxp341000_firmware | v < 3.30 | 3.30 |
| schneider-electric modicon_m340_bmxp342000_firmware | v < 3.30 | 3.30 |
| schneider-electric modicon_m340_bmxp3420102_firmware | v < 3.30 | 3.30 |
| schneider-electric modicon_m340_bmxp3420102cl_firmware | v < 3.30 | 3.30 |
| schneider-electric modicon_m340_bmxp342020_firmware | v < 3.30 | 3.30 |
| schneider-electric modicon_m340_bmxp3420302_firmware | v < 3.30 | 3.30 |
| schneider-electric modicon_m340_bmxp3420302cl_firmware | v < 3.30 | 3.30 |
| schneider-electric bmxnoe0100_firmware | v < 3.4 | 3.4 |
| schneider-electric bmxnoe0110_firmware | v < 6.6 | 6.6 |
| schneider-electric 140noe77101_firmware | v < 7.3 | 7.3 |
| schneider-electric 140noe77111_firmware | v < 7.3 | 7.3 |
| schneider-electric 140cpu65150_firmware | No range specified | — |
| schneider-electric 140cpu65160_firmware | No range specified | — |
| schneider-electric 140noc78000_firmware | No range specified | — |
| schneider-electric 140noc78100_firmware | No range specified | — |
| schneider-electric 140noc77101_firmware | No range specified | — |
| schneider-electric tsxp574634_firmware | No range specified | — |
| schneider-electric tsxp575634_firmware | No range specified | — |
| schneider-electric tsxp576634_firmware | No range specified | — |
| schneider-electric tsxety4103_firmware | No range specified | — |
| schneider-electric tsxety5103_firmware | No range specified | — |
Check your version
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