Vulnerability CVE-2011-4860
Published: 2011-12-17   Modified: 2012-02-13

Description:
The ComputePassword function in the Schneider Electric Quantum Ethernet Module on the NOE 771 device (aka the Quantum 140NOE771* module) generates the password for the fwupgrade account by performing a calculation on the MAC address, which makes it easier for remote attackers to obtain access via a (1) ARP request message or (2) Neighbor Solicitation message.

Type:

CWE-287

 (Improper Authentication)

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Schneider-electric -> Quantum ethernet module 140noe77100 
Schneider-electric -> Quantum ethernet module 140noe77101 
Schneider-electric -> Quantum ethernet module 140noe77111 

 References:
http://reversemode.com/index.php?option=com_content&task=view&id=80&Itemid=1
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