Security readout for executives and security teams
Plain-English summary
This vulnerability affects Rockwell Automation RSLinx Classic before 3.73.00. A maliciously crafted CSV file can trigger a memory corruption bug in OPCTest.exe and may let an attacker run code. For OT environments, the business risk is compromise of engineering or connectivity systems that may interact with industrial networks.
Executive priority
Treat this as a high-priority legacy OT software issue if RSLinx Classic is still deployed. The urgent task is inventory and version validation, not broad panic, because active exploitation is not confirmed in the supplied sources.
Technical view
CVE-2014-9204 is a stack-based buffer overflow in OPCTest.exe within RSLinx Classic before 3.73.00. The public description states that remote attackers can execute arbitrary code using a crafted CSV file. The bundle does not provide CVSS, CWE detail, or confirmed exploit activity.
Likely exposure
Exposure is likely limited to organizations running Rockwell Automation RSLinx Classic versions earlier than 3.73.00, especially where OPCTest.exe is present and CSV files are imported, opened, or exchanged with untrusted sources.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. The described attack vector is a crafted CSV file, so exploitation appears tied to file handling rather than unauthenticated network scanning, based on available evidence.
Researcher notes
Evidence is sparse: the bundle provides the core overflow description, affected version boundary, and references, but no CVSS vector, detailed prerequisites, exploit maturity, or compensating controls. Avoid assuming broader Rockwell product impact without vendor confirmation.
Mitigation direction
- Upgrade RSLinx Classic to 3.73.00 or later where applicable.
- Review Rockwell advisory 646324 for vendor-supported remediation guidance.
- Restrict handling of untrusted CSV files on affected engineering systems.
- Limit OPCTest.exe availability where it is not operationally required.
- Prioritize systems connected to OT networks or trusted engineering workflows.
Validation and detection
- Inventory RSLinx Classic installations and record exact versions.
- Confirm whether OPCTest.exe exists on each identified host.
- Verify affected hosts are upgraded to 3.73.00 or later.
- Review CSV ingestion and transfer paths into engineering workstations.
- Check vendor advisories for any additional applicability constraints.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2014-9204 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://ics-cert.us-cert.gov/advisories/ICSA-15-111-02CVE reference · x_refsource_MISC
- https://rockwellautomation.custhelp.com/app/answers/detail/a_id/646324CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.