CVE-2018-7812

Description

An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.83% Top 30%
Vendor Advisory schneider-electric.com
Affected: Schneider Electric SE Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200
Published at:
Updated at:

References

Link Tags
https://github.com/SadFud/Exploits/tree/master/Real%20World/SCADA%20-%20IOT%20Systems/CVE-2018-7812 third party advisory
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-7812?
CVE-2018-7812 has been scored as a high severity vulnerability.
How to fix CVE-2018-7812?
To fix CVE-2018-7812, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-7812 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-7812 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-7812?
CVE-2018-7812 affects Schneider Electric SE Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200.
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