CVE-2018-7831

Public Exploit

Description

An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.

Category

8.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.22%
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://www.tenable.com/security/research/tra-2018-38 third party advisory exploit
https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-7831?
CVE-2018-7831 has been scored as a high severity vulnerability.
How to fix CVE-2018-7831?
To fix CVE-2018-7831, 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-2018-7831 being actively exploited in the wild?
It is possible that CVE-2018-7831 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-7831?
CVE-2018-7831 affects Schneider Electric SE Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200.
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