CVE-2012-0227

Exp

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.

Published: 2012-10-12 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

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.

Public exploit references (Exploit-DB) for CVE-2012-0227

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2012-0227

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-0227

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2012-0227

NVD evaluator notes for CVE-2012-0227

Impact: 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.'

Affected software / configurations for CVE-2012-0227

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:-:*:*:*:*:*:*:*

References for CVE-2012-0227

cvelogic Threat Intelligence