CVE-2012-0257

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.

Published: 2012-04-02 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2012-0257

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0257

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2012-0257

Affected software / configurations for CVE-2012-0257

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:*:*:*:*:*:*

References for CVE-2012-0257

cvelogic Threat Intelligence