CVE-2018-7831 - CVE House
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Status published High CVE-2018-7831

An Improper Neutralization of Script-Related HTML Tags in a Web...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Schneider Electric SE

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Affected Software

Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200
Vulnerable Versions:
Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200

Timeline

Official Publish: November 30th, 2018
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.