Vulnerability Monitor

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CVE-2011-4861

The modbus_125_handler function in the Schneider Electric Quantum Ethernet Module on the NOE 771 device (aka the Quantum 140NOE771* module) allows remote attackers to install arbitrary firmware updates via a MODBUS 125 function code to TCP port 502.

Published

2011-12-17T11:55:12.370

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 10.0 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application schneider-electric quantum_ethernet_module_140noe77100 ≤ 3.3 Yes
Application schneider-electric quantum_ethernet_module_140noe77100 ≤ 3.4 Yes
Application schneider-electric quantum_ethernet_module_140noe77101 ≤ 4.9 Yes
Application schneider-electric quantum_ethernet_module_140noe77111 ≤ 5.0 Yes
References