CVE-2018-7812 - CVE House
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Status published High CVE-2018-7812

An Information Exposure through Discrepancy vulnerability exists in the embedded...

Vulnerability 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.

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: December 17th, 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:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.