Unverified Password Change in Modicon PLCs and BMXNOR0200 by Schneider Electric
CVE-2018-7809

9.8CRITICAL

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-2018-7809?

An unverified password change vulnerability exists in the embedded web servers of Modicon M340, Premium, Quantum PLCs, and BMXNOR0200. This weakness could allow an unauthenticated remote user to access critical password management functions, potentially leading to unauthorized control over system configurations. Organizations utilizing these products must take immediate action to mitigate risks associated with this vulnerability.

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
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https://www.schneider-electric.com/en/download/document/S...
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CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2018-7809 : Unverified Password Change in Modicon PLCs and BMXNOR0200 by Schneider Electric