Improper Neutralization of Script-Related HTML Tags in Modicon PLCs by Schneider Electric
CVE-2018-7831

8.8HIGH

Key Information:

Vendor

Schneider Electric
Status
Embedded Web Servers In All Modicon M340, Premium, Quantum Plcs And Bmxnor0200
Vendor
CVE Published:
30 November 2018

What is CVE-2018-7831?

An XSS vulnerability affects embedded web servers in various Modicon PLCs from Schneider Electric, enabling attackers to exploit authenticated users. By sending a crafted URL to an authenticated web server user, an attacker could potentially execute unauthorized password changes, compromising the integrity and security of the device.

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Affected Version(s)

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

References

https://www.tenable.com/security/research/tra-2018-38
x_refsource_MISC
https://www.schneider-electric.com/en/download/document/S...
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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