CVE-2018-7833
First published: Mon Dec 17 2018(Updated: )
An Improper Check for Unusual or Exceptional Conditions vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where an unauthenticated user can send a specially crafted XML data via a POST request to cause the web server to become unavailable
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider Electric Modicon M340 Firmware | ||
| Schneider Electric Modicon M340 Firmware | ||
| Schneider Electric Modicon Premium | ||
| Schneider Electric Modicon Premium | ||
| Schneider Electric Modicon Quantum Firmware | ||
| Schneider Electric Modicon Quantum | ||
| Schneider Electric Modicon BMXNOR0200H Firmware | ||
| Schneider Electric Modicon BMXNOR0200H |
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Frequently Asked Questions
What is the severity of CVE-2018-7833?
The severity of CVE-2018-7833 is considered high due to the potential for unauthorized access to device functionality.
How do I fix CVE-2018-7833?
To fix CVE-2018-7833, update the firmware of affected Modicon devices to the latest version provided by Schneider Electric.
Who is affected by CVE-2018-7833?
CVE-2018-7833 affects the embedded web servers in all Modicon M340, Premium, Quantum PLCs, and BMXNOR0200 models.
What are the potential impacts of CVE-2018-7833?
The potential impacts of CVE-2018-7833 include denial of service, where the web server becomes unavailable to users.
Can CVE-2018-7833 be exploited remotely?
Yes, CVE-2018-7833 can be exploited remotely by an unauthenticated user sending a specially crafted XML data via a POST request.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/author
- agent/severity
- agent/weakness
- agent/last-modified-date
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/schneider-electric
- canonical/schneider electric modicon m340 firmware
- canonical/schneider electric modicon premium
- canonical/schneider electric modicon quantum firmware
- canonical/schneider electric modicon quantum
- canonical/schneider electric modicon bmxnor0200h firmware
- canonical/schneider electric modicon bmxnor0200h