Heap-based buffer overflow in the WWCabFile ActiveX component in the Wonderware System Platform in Invensys Wonderware Application Server 2012 and earlier, Foxboro Control Software 3.1 and earlier, InFusion CE/FE/SCADA 2.5 and earlier, Wonderware Information Server 4.5 and earlier, ArchestrA Application Object Toolkit 3.2 and earlier, and InTouch 10.0 through 10.5 might allow remote attackers to execute arbitrary code via a long string to the Open member, leading to a function-pointer overwrite.
Conclusion & alert: CVE-2012-0257 is rated Moderate Risk (56.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.66%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-02-22 | 3.14% | 2.66% | -0.47% |
| 2 | 2025-03-30 | 3.03% | 3.14% | +0.11% |
| 3 | 2025-03-29 | — | 3.03% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| invensys | archestra_application_object_toolkit | <= 3.2 | cpe:2.3:a:invensys:archestra_application_object_toolkit:*:*:*:*:*:*:*:* |
| invensys | foxboro_control_software | <= 3.1 | cpe:2.3:a:invensys:foxboro_control_software:*:*:*:*:*:*:*:* |
| invensys | infusion_control_edition | <= 2.5 | cpe:2.3:a:invensys:infusion_control_edition:*:*:*:*:*:*:*:* |
| invensys | infusion_foundation_edition | <= 2.5 | cpe:2.3:a:invensys:infusion_foundation_edition:*:*:*:*:*:*:*:* |
| invensys | infusion_scada | <= 2.5 | cpe:2.3:a:invensys:infusion_scada:*:*:*:*:*:*:*:* |
| invensys | intouch | 10.0 | cpe:2.3:a:invensys:intouch:10.0:*:*:*:*:*:*:* |
| invensys | intouch | 10.5 | cpe:2.3:a:invensys:intouch:10.5:*:*:*:*:*:*:* |
| invensys | wonderware_application_server | <= 2012 | cpe:2.3:a:invensys:wonderware_application_server:*:*:*:*:*:*:*:* |
| invensys | wonderware_information_server | <= 4.5 | cpe:2.3:a:invensys:wonderware_information_server:*:*:*:*:*:*:*:* |
| invensys | wonderware_information_server | 3.1 | cpe:2.3:a:invensys:wonderware_information_server:3.1:*:*:*:*:*:*:* |
| invensys | wonderware_information_server | 4.0 | cpe:2.3:a:invensys:wonderware_information_server:4.0:*:*:*:*:*:*:* |
| invensys | wonderware_information_server | 4.0 | cpe:2.3:a:invensys:wonderware_information_server:4.0:sp1:*:*:*:*:*:* |