CVE-2018-7842
First published: Wed May 22 2019(Updated: )
A CWE-290: Authentication Bypass by Spoofing vulnerability exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium which could cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller.
Credit: cybersecurity@se.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Schneider-electric Modicon M580 Firmware | ||
| Schneider-electric Modicon M580 | ||
| Schneider-electric Modicon M340 Firmware | ||
| Schneider-electric Modicon M340 | ||
| Schneider-electric Modicon Quantum Firmware | ||
| Schneider-electric Modicon Quantum | ||
| Schneider-electric Modicon Premium Firmware | ||
| Schneider-electric Modicon Premium |
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Reference Links
Frequently Asked Questions
What is CVE-2018-7842?
CVE-2018-7842 is a CWE-290: Authentication Bypass by Spoofing vulnerability that exists in all versions of the Modicon M580, Modicon M340, Modicon Quantum, and Modicon Premium.
How does CVE-2018-7842 impact Schneider-electric Modicon M580 Firmware?
CVE-2018-7842 can cause an elevation of privilege by conducting a brute force attack on Modbus parameters sent to the controller.
What is the severity of CVE-2018-7842?
CVE-2018-7842 has a severity rating of 9.8 (critical).
How can I fix CVE-2018-7842?
To mitigate CVE-2018-7842, apply the recommended security patches provided by Schneider Electric and follow the guidelines mentioned in their advisory.
Where can I find more information about CVE-2018-7842?
You can find more information about CVE-2018-7842 in the Schneider Electric security advisory (SEVD-2019-134-11) and the Talos Intelligence vulnerability report (TALOS-2018-0741).
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- vendor/schneider-electric
- canonical/schneider-electric modicon m580 firmware
- canonical/schneider-electric modicon m580
- canonical/schneider-electric modicon m340 firmware
- canonical/schneider-electric modicon m340
- canonical/schneider-electric modicon quantum firmware
- canonical/schneider-electric modicon quantum
- canonical/schneider-electric modicon premium firmware
- canonical/schneider-electric modicon premium