CVE-2020-7535: Path Traversal
First published: Fri Dec 11 2020(Updated: )
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.
Credit: cybersecurity@se.com cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider-electric Bmxp341000 Firmware | <3.30 | |
| Schneider-electric Bmxp341000 | ||
| Schneider-electric Bmxp342000 Firmware | <3.30 | |
| Schneider-electric Bmxp342000 | ||
| Schneider-electric Bmxp3420102 Firmware | <3.30 | |
| Schneider-electric Bmxp3420102 | ||
| Schneider-electric Bmxp3420102cl Firmware | <3.30 | |
| Schneider-electric Bmxp3420102cl | ||
| Schneider-electric Bmxp342020 Firmware | <3.30 | |
| Schneider-electric Bmxp342020 | ||
| Schneider-electric Bmxp3420302 Firmware | <3.30 | |
| Schneider-electric Bmxp3420302 | ||
| Schneider-electric Bmxp3420302cl Firmware | <3.30 | |
| Schneider-electric Bmxp3420302cl | ||
| Schneider-electric Bmxnoe0100 Firmware | <3.4 | |
| Schneider-electric Bmxnoe0100 | ||
| Schneider-electric Bmxnoe0110 Firmware | <6.6 | |
| Schneider-electric Bmxnoe0110 | ||
| Schneider-electric 140noe77101 Firmware | <7.3 | |
| Schneider-electric 140noe77101 | ||
| Schneider-electric 140noe77111 Firmware | <7.3 | |
| Schneider-electric 140noe77111 | ||
| Schneider-electric 140cpu65150 Firmware | ||
| Schneider-electric 140cpu65150 | ||
| Schneider-electric 140cpu65160 Firmware | ||
| Schneider-electric 140cpu65160 | ||
| Schneider-electric 140noc78000 Firmware | ||
| Schneider-electric 140noc78000 | ||
| Schneider-electric 140noc78100 Firmware | ||
| Schneider-electric 140noc78100 | ||
| Schneider-electric 140noc77101 Firmware | ||
| Schneider-electric 140noc77101 | ||
| Schneider-electric Tsxp574634 Firmware | ||
| Schneider-electric Tsxp574634 | ||
| Schneider-electric Tsxp575634 Firmware | ||
| Schneider-electric Tsxp575634 | ||
| Schneider-electric Tsxp576634 Firmware | ||
| Schneider-electric Tsxp576634 | ||
| Schneider-electric Tsxety4103 Firmware | ||
| Schneider-electric Tsxety4103 | ||
| Schneider-electric Tsxety5103 Firmware | ||
| Schneider-electric Tsxety5103 | ||
| All of | ||
| Schneider-electric Modicon M340 Bmxp341000 Firmware | <3.30 | |
| Schneider-electric Modicon M340 Bmxp341000 | ||
| All of | ||
| Schneider-electric Modicon M340 Bmxp342000 Firmware | <3.30 | |
| Schneider-electric Modicon M340 Bmxp342000 | ||
| All of | ||
| Schneider-electric Modicon M340 Bmxp3420102 Firmware | <3.30 | |
| Schneider-electric Modicon M340 Bmxp3420102 | ||
| All of | ||
| Schneider-electric Modicon M340 Bmxp3420102cl Firmware | <3.30 | |
| Schneider-electric Modicon M340 Bmxp3420102cl | ||
| All of | ||
| Schneider-electric Modicon M340 Bmxp342020 Firmware | <3.30 | |
| Schneider-electric Modicon M340 Bmxp342020 | ||
| All of | ||
| Schneider-electric Modicon M340 Bmxp3420302 Firmware | <3.30 | |
| Schneider-electric Modicon M340 Bmxp3420302 | ||
| All of | ||
| Schneider-electric Modicon M340 Bmxp3420302cl Firmware | <3.30 | |
| Schneider-electric Modicon M340 Bmxp3420302cl | ||
| All of | ||
| Schneider-electric Bmxnoe0100 Firmware | <3.4 | |
| Schneider-electric Bmxnoe0100 | ||
| All of | ||
| Schneider-electric Bmxnoe0110 Firmware | <6.6 | |
| Schneider-electric Bmxnoe0110 | ||
| All of | ||
| Schneider-electric 140noe77101 Firmware | <7.3 | |
| Schneider-electric 140noe77101 | ||
| All of | ||
| Schneider-electric 140noe77111 Firmware | <7.3 | |
| Schneider-electric 140noe77111 | ||
| All of | ||
| Schneider-electric 140cpu65150 Firmware | ||
| Schneider-electric 140cpu65150 | ||
| All of | ||
| Schneider-electric 140cpu65160 Firmware | ||
| Schneider-electric 140cpu65160 | ||
| All of | ||
| Schneider-electric 140noc78000 Firmware | ||
| Schneider-electric 140noc78000 | ||
| All of | ||
| Schneider-electric 140noc78100 Firmware | ||
| Schneider-electric 140noc78100 | ||
| All of | ||
| Schneider-electric 140noc77101 Firmware | ||
| Schneider-electric 140noc77101 | ||
| All of | ||
| Schneider-electric Tsxp574634 Firmware | ||
| Schneider-electric Tsxp574634 | ||
| All of | ||
| Schneider-electric Tsxp575634 Firmware | ||
| Schneider-electric Tsxp575634 | ||
| All of | ||
| Schneider-electric Tsxp576634 Firmware | ||
| Schneider-electric Tsxp576634 | ||
| All of | ||
| Schneider-electric Tsxety4103 Firmware | ||
| Schneider-electric Tsxety4103 | ||
| All of | ||
| Schneider-electric Tsxety5103 Firmware | ||
| Schneider-electric Tsxety5103 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-7535?
CVE-2020-7535 is a vulnerability known as Improper Limitation of a Pathname to a Restricted Directory (Path Traversal) that exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules.
What is the severity of CVE-2020-7535?
The severity of CVE-2020-7535 is high with a severity value of 7.5.
What software is affected by CVE-2020-7535?
The affected software includes Schneider-electric Bmxp341000 Firmware, Schneider-electric Bmxp342000 Firmware, Schneider-electric Bmxp3420102 Firmware, Schneider-electric Bmxp3420102cl Firmware, Schneider-electric Bmxp342020 Firmware, Schneider-electric Bmxp3420302 Firmware, Schneider-electric Bmxp3420302cl Firmware, Schneider-electric Bmxnoe0100 Firmware, Schneider-electric Bmxnoe0110 Firmware, Schneider-electric 140noe77101 Firmware, Schneider-electric 140noe77111 Firmware, Schneider-electric 140cpu65150 Firmware, Schneider-electric 140cpu65160 Firmware, Schneider-electric 140noc78000 Firmware, Schneider-electric 140noc78100 Firmware, Schneider-electric 140noc77101 Firmware, Schneider-electric Tsxp574634 Firmware, Schneider-electric Tsxp575634 Firmware, Schneider-electric Tsxp576634 Firmware, Schneider-electric Tsxety4103 Firmware, and Schneider-electric Tsxety5103 Firmware.
How does CVE-2020-7535 affect the affected software?
CVE-2020-7535 allows an attacker to perform Path Traversal attacks and potentially access restricted directories and files on the affected software.
How can I fix CVE-2020-7535?
To fix CVE-2020-7535, it is recommended to apply the necessary security updates provided by Schneider Electric. Additionally, following security best practices such as restricting access to the affected software can help mitigate the vulnerability.
- collector/nvd-index
- agent/type
- agent/first-publish-date
- agent/author
- agent/severity
- agent/references
- agent/last-modified-date
- agent/weakness
- agent/description
- agent/softwarecombine
- agent/tags
- agent/event
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/schneider-electric
- canonical/schneider-electric bmxp341000 firmware
- canonical/schneider-electric bmxp341000
- canonical/schneider-electric bmxp342000 firmware
- canonical/schneider-electric bmxp342000
- canonical/schneider-electric bmxp3420102 firmware
- canonical/schneider-electric bmxp3420102
- canonical/schneider-electric bmxp3420102cl firmware
- canonical/schneider-electric bmxp3420102cl
- canonical/schneider-electric bmxp342020 firmware
- canonical/schneider-electric bmxp342020
- canonical/schneider-electric bmxp3420302 firmware
- canonical/schneider-electric bmxp3420302
- canonical/schneider-electric bmxp3420302cl firmware
- canonical/schneider-electric bmxp3420302cl
- canonical/schneider-electric bmxnoe0100 firmware
- canonical/schneider-electric bmxnoe0100
- canonical/schneider-electric bmxnoe0110 firmware
- canonical/schneider-electric bmxnoe0110
- canonical/schneider-electric 140noe77101 firmware
- canonical/schneider-electric 140noe77101
- canonical/schneider-electric 140noe77111 firmware
- canonical/schneider-electric 140noe77111
- canonical/schneider-electric 140cpu65150 firmware
- canonical/schneider-electric 140cpu65150
- canonical/schneider-electric 140cpu65160 firmware
- canonical/schneider-electric 140cpu65160
- canonical/schneider-electric 140noc78000 firmware
- canonical/schneider-electric 140noc78000
- canonical/schneider-electric 140noc78100 firmware
- canonical/schneider-electric 140noc78100
- canonical/schneider-electric 140noc77101 firmware
- canonical/schneider-electric 140noc77101
- canonical/schneider-electric tsxp574634 firmware
- canonical/schneider-electric tsxp574634
- canonical/schneider-electric tsxp575634 firmware
- canonical/schneider-electric tsxp575634
- canonical/schneider-electric tsxp576634 firmware
- canonical/schneider-electric tsxp576634
- canonical/schneider-electric tsxety4103 firmware
- canonical/schneider-electric tsxety4103
- canonical/schneider-electric tsxety5103 firmware
- canonical/schneider-electric tsxety5103
- canonical/schneider-electric modicon m340 bmxp341000 firmware
- canonical/schneider-electric modicon m340 bmxp341000
- canonical/schneider-electric modicon m340 bmxp342000 firmware
- canonical/schneider-electric modicon m340 bmxp342000
- canonical/schneider-electric modicon m340 bmxp3420102 firmware
- canonical/schneider-electric modicon m340 bmxp3420102
- canonical/schneider-electric modicon m340 bmxp3420102cl firmware
- canonical/schneider-electric modicon m340 bmxp3420102cl
- canonical/schneider-electric modicon m340 bmxp342020 firmware
- canonical/schneider-electric modicon m340 bmxp342020
- canonical/schneider-electric modicon m340 bmxp3420302 firmware
- canonical/schneider-electric modicon m340 bmxp3420302
- canonical/schneider-electric modicon m340 bmxp3420302cl firmware
- canonical/schneider-electric modicon m340 bmxp3420302cl