InduSoft Advantech Studio Directory Traversal
Low RiskICS-CERT ICSA-13-067-01Dec 10, 2013
Summary
A directory traversal vulnerability exists in Advantech Studio and InduSoft Studio version V7.0 and earlier. The vulnerability allows an attacker to read arbitrary files from the affected system by sending specially crafted requests with directory traversal sequences. This could expose sensitive configuration files, credentials, source code, or other data stored on the server. No vendor patches are available for this vulnerability.
What this means
What could happen
An attacker could read sensitive files from the server through directory traversal, potentially exposing configuration data, credentials, or other files needed to understand and attack your automation system.
Who's at risk
Organizations running Advantech Studio or InduSoft Studio V7.0 or earlier for industrial automation, particularly those using these tools to develop, monitor, or control manufacturing, water treatment, or power systems should be concerned. This affects companies managing HMI/SCADA systems built on these platforms.
How it could be exploited
An attacker sends a specially crafted request with directory traversal sequences (like "../") to the affected Studio application. The application fails to properly validate the file path, allowing the attacker to navigate outside the intended directory and read arbitrary files from the server.
Prerequisites
- Network access to the Advantech or InduSoft Studio web interface or file service
- Affected product version V7.0 or earlier installed and accessible over the network
Directory traversal vulnerabilityFile disclosure riskNo patch available from vendorsEPSS score 9.0% (moderate exploit probability)
Exploitability
Moderate exploit probability (EPSS 9.0%)
Affected products (2)
2 EOL
ProductAffected VersionsFix Status
Advantech Studio: <=V7.0≤ V7.0No fix (EOL)
Indusoft Studio: <=V7.0≤ V7.0No fix (EOL)
Remediation & Mitigation
0/5
Do now
0/2WORKAROUNDRestrict network access to Studio applications—limit connections to the web interface and file service to trusted engineering workstations only using firewall rules
WORKAROUNDDisable remote access to Studio applications if not required for operations
Schedule — requires maintenance window
0/2Patching may require device reboot — plan for process interruption
HOTFIXUpgrade Advantech Studio to a version newer than V7.0 (check with Advantech for latest patched version, noting no vendor fix has been officially confirmed)
HOTFIXUpgrade InduSoft Studio to a version newer than V7.0 (check with AVEVA for latest patched version, noting no vendor fix has been officially confirmed)
Mitigations - no patch available
0/1The following products have reached End of Life with no planned fix: Advantech Studio: <=V7.0, Indusoft Studio: <=V7.0. Apply the following compensating controls:
HARDENINGSegment the engineering network from operations and corporate networks to limit attacker movement if a compromise occurs
CVEs (1)
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