Vulnerability CVE-2012-0931
Published: 2012-01-27   Modified: 2012-02-13

Description:
Schneider Electric Modicon Quantum PLC does not perform authentication between the Unity software and PLC, which allows remote attackers to cause a denial of service or possibly execute arbitrary code via unspecified vectors.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Schneider-electric -> Modicon quantum plc 

 References:
http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-12-020-03.pdf
http://xforce.iss.net/xforce/xfdb/72586
http://www.securityfocus.com/bid/51605
http://secunia.com/advisories/47723
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