Schneider Electric Quantum 140NOE771 Network Interface Module Fwupgrade Password Weakness

critical Nessus Network Monitor Plugin ID 720235

Synopsis

Schneider Electric Quantum 140NOE771 Network Interface Module allows remote attackers to generates the password for the fwupgrade account by performing a calculation on the MAC address.

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.

Solution

Perform vendor recommended mitigations and apply available vendor upgrades.

Plugin Details

Severity: Critical

ID: 720235

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Information

Patch Publication Date: 12/17/2011

Vulnerability Publication Date: 12/17/2011

Reference Information

CVE: CVE-2011-4860

Detections

Analytics