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Vulnerability Assessment

Weakness
CWE
CWE-787
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, write limits
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, low privileges required, no user interaction not required.
Exploit ScenarioDerived

A local attacker with access to the system could write data beyond allocated buffer boundaries leading to code execution or crashes.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAI

Out-of-Bounds Write vulnerability in Jungo WinDriver before 12.6.0 allows local attackers to cause a Windows blue screen error and Denial of Service (DoS). Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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Technical ContextAI · show details

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Out-of-Bounds Write vulnerability in Jungo WinDriver before 12.6.0 allows local attackers to cause a Windows blue screen error and Denial of Service (DoS). Affected products include: Jungo Windriver, Mitsubishielectric Cpu Module Logging Configuration Tool, Mitsubishielectric Cw Configurator, Mitsubishielectric Data Transfer, Mitsubishielectric Data Transfer Classic. Version information: before 12.6.0.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionNVD

Out-of-Bounds Write vulnerability in Jungo WinDriver before 12.6.0 allows local attackers to cause a Windows blue screen error and Denial of Service (DoS).

Threat Intelligence Overview

EPSS Score
0.2%
Top 87% exploitable
Data Quality
2 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 0.2%
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
Defer
Exploitation· derived
None
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

28
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +28
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Memory Corruption HIGH

Memory corruption occurs when a program writes data beyond the boundaries of allocated memory regions or accesses memory in unintended ways, violating the integrity of the process's address space.

Denial of Service MEDIUM

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

Affected Products (CPE)NVD

cpe:2.3:a:jungo:windriver:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:cpu_module_logging_configuration_tool:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:cw_configurator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:data_transfer:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:data_transfer_classic:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:ezsocket:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:fr_configurator_sw3:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:fr_configurator2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:genesis64:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gt_got1000:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gt_got2000:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gt_softgot1000:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gt_softgot2000:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_developer:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_logviewer:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_works2:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:gx_works3:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:iq_works:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mi_configurator:*:*:*:*:*:*:*:*
cpe:2.3:a:mitsubishielectric:mr_configurator:*:*:*:*:*:*:*:*
+ 15 more

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Same weakness CWE-787 – Out-of-bounds Write

View all
CVE-2015-3113 CRITICAL POC
9.8
CVE-2011-2462 CRITICAL POC
9.8
CVE-2012-1889 HIGH POC
8.8
CVE-2010-3333 HIGH POC
7.8
CVE-2014-1761 HIGH POC
7.8
CVE-2009-3129 HIGH POC
7.8
CVE-2021-1732 HIGH POC
7.8
CVE-2013-3346 CRITICAL POC
9.8

Same technique Buffer Overflow

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CVE-2017-7269 CRITICAL POC
9.8
CVE-2015-5119 CRITICAL POC
9.8
CVE-2020-0796 CRITICAL POC
10.0
CVE-2019-11043 CRITICAL POC
9.8
CVE-2009-0927 HIGH POC
8.8

References

Advisories & patches
REF https://jungo.com/windriver/versions/ REF https://www.cisa.gov/news-events/ics-advisories/icsa-24-135-04 REF https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2024-001_en.pdf

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