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 2011-12-17 11:55:12
Updated 2025-04-11 00:51:22
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2011-4861

Exploit prediction scoring system (EPSS) score for CVE-2011-4861

1.36%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-4861

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
10.0
HIGH AV:N/AC:L/Au:N/C:C/I:C/A:C
10.0
10.0
NIST

CWE ids for CVE-2011-4861

  • Assigned by: nvd@nist.gov (Primary)
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