CVE-2012-4689

Integer overflow in CimWebServer.exe in GE Intelligent Platforms Proficy HMI/SCADA - CIMPLICITY 4.01 through 8.0, and Proficy Process Systems with CIMPLICITY, allows remote attackers to cause a denial of service (daemon crash) via a malformed HTTP request.

Published: 2013-01-17 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2012-4689 is rated Low Risk (38.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.46%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2012-4689

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 0.40% 0.46% +0.05%
2 2025-03-29 0.46% 0.40% -0.05%
3 2025-03-17 0.46%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2012-4689

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2012-4689

Affected software / configurations for CVE-2012-4689

Vendor Product Version Raw CPE
ge intelligent_platforms_proficy_hmi\/scada_cimplicity 4.01 cpe:2.3:a:ge:intelligent_platforms_proficy_hmi\/scada_cimplicity:4.01:*:*:*:*:*:*:*
ge intelligent_platforms_proficy_hmi\/scada_cimplicity 7.5 cpe:2.3:a:ge:intelligent_platforms_proficy_hmi\/scada_cimplicity:7.5:*:*:*:*:*:*:*
ge intelligent_platforms_proficy_hmi\/scada_cimplicity 8.0 cpe:2.3:a:ge:intelligent_platforms_proficy_hmi\/scada_cimplicity:8.0:*:*:*:*:*:*:*
ge intelligent_platforms_proficy_process_systems_with_cimplicity cpe:2.3:a:ge:intelligent_platforms_proficy_process_systems_with_cimplicity:-:*:*:*:*:*:*:*
ge intelligent_platforms_proficy_process_systems cpe:2.3:h:ge:intelligent_platforms_proficy_process_systems:-:*:*:*:*:*:*:*

References for CVE-2012-4689

cvelogic Threat Intelligence