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.

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

.