Authentication Bypass in Schneider Electric Modicon Quantum PLC
CVE-2012-0931

9.8CRITICAL

Key Information:

Vendor

Schneider Electric
Status
Modicon Quantum Plc
Vendor
CVE Published:
28 January 2012

What is CVE-2012-0931?

The Modicon Quantum PLC by Schneider Electric exhibits a security weakness due to the lack of proper authentication between its Unity software and the PLC. This flaw may allow remote attackers to exploit the system, potentially leading to denial of service incidents or even the execution of arbitrary code through various unspecified vectors. Organizations utilizing these PLCs should be aware of this vulnerability and take appropriate measures to safeguard their systems.

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References

http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-0...
x_refsource_MISC
http://www.securityfocus.com/bid/51605
vdb-entryx_refsource_BID
http://secunia.com/advisories/47723
third-party-advisoryx_refsource_SECUNIA

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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