Satel Iberia SenNet Data Logger and Electricity Meters
Act Now8.8ICS-CERT ICSA-17-131-02May 11, 2017
Attack VectorNetwork
Auth RequiredLow
ComplexityLow
User InteractionNone needed
Summary
SenNet Optimal DataLogger, Multitask Meter, and Solar Datalogger contain a command injection vulnerability (CWE-77) in the network management interface. An authenticated user can execute arbitrary system commands on the device by providing crafted input that is not properly validated. This affects all versions of these three product lines. The vulnerability is remotely exploitable with low skill level and affects energy measurement, data logging, and billing systems used in power distribution environments.
What this means
What could happen
An attacker with valid user credentials could run arbitrary commands on SenNet data loggers and electricity meters, potentially altering energy measurements, falsifying meter readings, or disrupting data collection and monitoring systems that support billing and grid operations.
Who's at risk
Energy utilities operating Satel Iberia SenNet data loggers and electricity meters, including renewable energy installations with solar data loggers. This affects facilities that depend on these devices for energy measurement, billing data collection, and grid monitoring.
How it could be exploited
An attacker with a valid user account credentials can authenticate to the SenNet data logger or meter over the network and execute arbitrary commands due to improper input validation (CWE-77 - Improper Neutralization). This allows the attacker to run system-level commands directly on the device.
Prerequisites
- Valid user credentials (engineering or administrative account)
- Network access to the SenNet data logger or meter management interface
- Device accessible from attacker's network segment or remotely if internet-facing
Remotely exploitableLow complexity attackHigh EPSS score (45.6%)No patch availableRequires valid credentials but credentials may be weak or default
Exploitability
High exploit probability (EPSS 45.6%)
Affected products (3)
3 EOL
ProductAffected VersionsFix Status
SenNet Optimal DataLogger: V5.37c-1.43c and prior≤ 5.37c-1.43cNo fix (EOL)
SenNet Multitask Meter: V5.21a-1.18b and prior≤ 5.21a-1.18bNo fix (EOL)
SenNet Solar Datalogger: V5.03-1.56a and prior≤ 5.03-1.56aNo fix (EOL)
Remediation & Mitigation
0/5
Do now
0/3HARDENINGImplement network segmentation to restrict access to SenNet data loggers and meters; allow connections only from authorized engineering workstations and SCADA systems
HARDENINGEnable and enforce strong password policies for all user accounts on SenNet devices; rotate all default and weak credentials immediately
WORKAROUNDDeploy firewall rules to limit inbound network access to these devices; block or restrict access from untrusted networks
Schedule — requires maintenance window
0/2Patching may require device reboot — plan for process interruption
WORKAROUNDDisable remote management interfaces if not actively required; use out-of-band or serial access instead for administrative tasks
HARDENINGMonitor and log all authentication attempts and command execution on affected devices; alert on unusual user account activity
CVEs (1)
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