Buffer overflow in the VSFlex7.VSFlexGrid ActiveX control in ComponentOne FlexGrid 7.1, as used in Open Automation Software OPC Systems.NET, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a long archive file name argument to the Archive method.
Conclusion & alert: CVE-2012-0227 is rated High Exploit Risk (86.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 7.62%, 91th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.59% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-03-30 | 5.03% | 7.62% | +2.59% |
| 2 | 2025-03-29 | 7.62% | 5.03% | -2.59% |
| 3 | 2025-03-19 | — | 7.62% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
: Per: http://www.us-cert.gov/control_systems/pdf/ICSA-12-012-01A.pdf 'AFFECTED PRODUCTS All versions of OPC Sytems.NET prior to Version 5.0 are affected.'
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| componentone | flexgrid | 7.1 | cpe:2.3:a:componentone:flexgrid:7.1:*:*:*:*:*:*:* |
| opcsystems | opcsystems.net | <= 4.0 | cpe:2.3:a:opcsystems:opcsystems.net:*:*:*:*:*:*:*:* |
| opcsystems | opcsystems.net | — | cpe:2.3:a:opcsystems:opcsystems.net:-:*:*:*:*:*:*:* |