THREATPORT/VULNERABILITY/CVE-2011-4859
HIGH SEVERITY

CVE-2011-4859

Quantum Ethernet Module 140cpu65150 vulnerability

CVSS
10.0
EPSS
4.0%
EPSS pct
90th
Exploited
No known
The Schneider Electric Quantum Ethernet Module, as used in the Quantum 140NOE771* and 140CPU65* modules, the Premium TSXETY* and TSXP57* modules, the M340 BMXNOE01* and BMXP3420* modules, and the STB DIO STBNIC2212 and STBNIP2* modules, uses hardcoded passwords for the (1) AUTCSE, (2) AUT_CSE, (3) fdrusers, (4) ftpuser, (5) loader, (6) nic2212, (7) nimrohs2212, (8) nip2212, (9) noe77111_v500, (10) ntpupdate, (11) pcfactory, (12) sysdiag, (13) target, (14) test, (15) USER, and (16) webserver accounts, which makes it easier for remote attackers to obtain access via the (a) TELNET, (b) Windriver Debug, or (c) FTP port.
Affected vendor
Schneider Electric
Affected product
Quantum Ethernet Module 140cpu65150
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Published
2011-12-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 4.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2011-4859

  • Confirm whether Schneider Electric Quantum Ethernet Module 140cpu65150 is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-4859.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-4859

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-4859 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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