Cogent DataHub Vulnerabilities
Act NowICS-CERT ICSA-11-280-01Jul 10, 2011
Summary
Cogent DataHub, OPC DataHub, and Cascade DataHub contain multiple vulnerabilities including buffer overflows (CWE-119), path traversal (CWE-22), integer overflows (CWE-190), and information disclosure (CWE-200). These flaws could allow an attacker with network access to read sensitive data, write malicious data, or cause denial of service. Affected versions include Cogent DataHub 7.0 through 7.1.1, OPC DataHub before 6.4.20, and Cascade DataHub 6.x before 6.4.20.
What this means
What could happen
An attacker could exploit multiple memory and access control vulnerabilities in these DataHub products to read sensitive data, write malicious data, or crash the system, potentially disrupting real-time data collection and process monitoring in your facility.
Who's at risk
Water authorities, electric utilities, and other process industries that use Cogent DataHub, OPC DataHub, or Cascade DataHub for real-time process data collection and monitoring should review their deployment. This affects systems running DataHub versions 7.0–7.1.1 (Cogent DataHub), OPC DataHub before 6.4.20, and Cascade DataHub 6.x before 6.4.20.
How it could be exploited
An attacker with network access to the DataHub service (typically port 4502 or configured data port) could send specially crafted requests that trigger buffer overflows (CWE-119), path traversal (CWE-22), or integer overflows (CWE-190) to execute arbitrary code, read configuration files, or bypass access controls on the system.
Prerequisites
- Network access to DataHub service port
- No authentication required (vulnerability is in unauthenticated services)
- Knowledge of exploit payload construction
Remotely exploitableNo authentication requiredLow complexity exploitationMultiple memory safety vulnerabilitiesNo vendor patch availableHigh EPSS score (13.5%)
Exploitability
High exploit probability (EPSS 13.5%)
Affected products (3)
3 EOL
ProductAffected VersionsFix Status
Cogent DataHub: 7_until_7.1.27 until 7.1.2No fix (EOL)
OPC DataHub: <6.4.20<6.4.20No fix (EOL)
Cascade DataHub: 6_6.4.20.6 6.4.20.No fix (EOL)
Remediation & Mitigation
0/4
Do now
0/2WORKAROUNDImplement firewall rules to restrict network access to DataHub services (port 4502 or configured data port) from only trusted engineering workstations and servers.
HARDENINGDisable DataHub services if not actively used; if the system must run, isolate it on a separate OT network segment with minimal external connectivity.
Schedule — requires maintenance window
0/2Patching may require device reboot — plan for process interruption
HARDENINGMonitor DataHub service logs for unexpected connections or crashes that may indicate exploitation attempts.
HOTFIXContact Cogent for updates or patches if they become available; legacy versions may not receive support.
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