Security readout for executives and security teams
This flaw affects older Schneider Electric OPC Factory Server installations. A remote attacker could crash or disrupt the OPC service by sending overly long inputs to the affected ActiveX control. The published impact is availability loss, not data theft or system takeover. Exposure is most likely in OT environments still running Schneider Electric OPC Factory Server 3.5 or earlier, especially where OPC-related services are reachable from broader plant, enterprise, or remote-access networks. Treat as a moderate OT availability risk. It deserves remediation planning where affected OFS servers support production operations, but the supplied evidence does not justify emergency escalation based on active exploitation or confidentiality impact. Mitigation focus: Identify whether affected Schneider OFS 3.5-or-earlier product lines are deployed.; Review Schneider Electric and CISA advisory guidance for vendor-approved remediation.; Assess restricting access to OFS/OPC interfaces pending approved remediation..
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
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Open ATT&CK lookupCVE-2014-0789 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5 (2.0)
- Known Exploited
- No
- Published
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
AV:N/AC:L/Au:N/C:N/I:N/A:P102.9Primary CVE scoreVulnerability scoring details
Base CVSS 2.0 score
5MediumVector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Source materials
- CVE List V5 sourceCVE List V5
- https://www.cisa.gov/news-events/ics-advisories/icsa-14-093-01CVE reference
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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.