What is the CVSS score of CVE-2012-4689?

CVE-2012-4689 has a CVSS 2.0 base score of 4.3 (Medium). CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. EPSS exploitation probability: 0.5%.

Intelligent Platforms Proficy Hmi Scada Cimplicity CVE-2012-4689

MEDIUM

Numeric Errors (CWE-189)

2013-01-17 ics-cert@hq.dhs.gov

Denial Of Service Intelligent Platforms Proficy Hmi Scada Cimplicity Intelligent Platforms Proficy Process Systems With Cimplicity Intelligent Platforms Proficy Process Systems Ge

4.3

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-189 ASVS 5.0 V15 - Secure Coding and Architecture Numeric handling
Impact	CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, M complexity. EPSS exploitation probability: 0.46%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

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. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified under CWE-189. 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. Affected products include: Ge Intelligent Platforms Proficy Hmi\/Scada Cimplicity, Ge Intelligent Platforms Proficy Process Systems With Cimplicity, Ge Intelligent Platforms Proficy Process Systems. Version information: through 8.0.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Confidentiality

None

Integrity

None

Availability

DescriptionCVE.org

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.

Threat Intelligence Overview

EPSS Score

0.5%

Top 36% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC No

EPSS 0.5%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +22

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:ge:intelligent_platforms_proficy_hmi\/scada_cimplicity:4.01:*:*:*:*:*:*:*

cpe:2.3:a:ge:intelligent_platforms_proficy_hmi\/scada_cimplicity:7.5:*:*:*:*:*:*:*

cpe:2.3:a:ge:intelligent_platforms_proficy_hmi\/scada_cimplicity:8.0:*:*:*:*:*:*:*

cpe:2.3:a:ge:intelligent_platforms_proficy_process_systems_with_cimplicity:-:*:*:*:*:*:*:*

cpe:2.3:h:ge:intelligent_platforms_proficy_process_systems:-:*:*:*:*:*:*:*

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References

Advisories & patches

REF http://support.ge-ip.com/support/index?page=kbchannel&id=S:KB15153 REF http://www.us-cert.gov/control_systems/pdf/ICSA-12-341-01.pdf

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GitHub PoC

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