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Cx Supervisor CVE-2018-17907

LOW
Buffer Overflow (CWE-119)
2018-11-05 ics-cert@hq.dhs.gov
3.3
CVSS 3.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Bounds checking, buffer size validation
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.

Impact

CVSS score of 3.3 (LOW). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required.

Exploit ScenarioDerived

A local attacker with access to the system could corrupt memory to execute arbitrary code or crash the application. No authentication is required to exploit this vulnerability.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.9% exploitation probability (EPSS)

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AnalysisAI

When processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior and tampering with the value of an offset, an attacker can force the application to read a value outside of an array. Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. When processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior and tampering with the value of an offset, an attacker can force the application to read a value outside of an array. Affected products include: Omron Cx-Supervisor.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.3 LOW
AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionNVD

When processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior and tampering with the value of an offset, an attacker can force the application to read a value outside of an array.

Threat Intelligence Overview

EPSS Score
0.9%
Top 45% exploitable
Data Quality
2 sources
Confidence: Low

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 LOW
CISA KEV No
Public POC No
EPSS 0.9%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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
Low

Priority Score

17
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +16
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

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.

Affected Products (CPE)NVD

cpe:2.3:a:omron:cx-supervisor:*:*:*:*:*:*:*:*
CVE-2019-18251 HIGH
8.8 Nov 26

In Omron CX-Supervisor, Versions 3.5 (12) and prior, Omron CX-Supervisor ships with Teamviewer Version 5.0.8703 QS. Rate

CVE-2018-17913 HIGH
7.8 Nov 05

A type confusion vulnerability exists when processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior, w

CVE-2018-17909 HIGH
7.8 Nov 05

When processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior, the application fails to check if it is

CVE-2018-17905 HIGH
7.8 Nov 05

When processing project files in Omron CX-Supervisor Versions 3.4.1.0 and prior and tampering with a specific byte, memo

CVE-2021-20836 MEDIUM
6.5 Oct 19

Out-of-bounds read vulnerability in CX-Supervisor v4.0.0.13 and v4.0.0.16 allows an attacker with administrative privile

CVE-2018-7525 MEDIUM
5.3 Mar 21

In Omron CX-Supervisor Versions 3.30 and prior, processing a malformed packet by a certain executable may cause an untru

CVE-2018-7523 MEDIUM
5.3 Mar 21

In Omron CX-Supervisor Versions 3.30 and prior, parsing malformed project files may cause a double free vulnerability. R

CVE-2018-7521 MEDIUM
5.3 Mar 21

In Omron CX-Supervisor Versions 3.30 and prior, use after free vulnerabilities can be exploited when CX Supervisor parse

CVE-2018-7519 MEDIUM
5.3 Mar 21

In Omron CX-Supervisor Versions 3.30 and prior, parsing malformed project files may cause a heap-based buffer overflow.

CVE-2018-7517 MEDIUM
5.3 Mar 21

In Omron CX-Supervisor Versions 3.30 and prior, parsing malformed project files may cause an out of bounds vulnerability

CVE-2018-7515 MEDIUM
5.3 Mar 21

In Omron CX-Supervisor Versions 3.30 and prior, access of uninitialized pointer vulnerabilities can be exploited when CX

CVE-2018-7513 MEDIUM
5.3 Mar 21

In Omron CX-Supervisor Versions 3.30 and prior, parsing malformed project files may cause a stack-based buffer overflow.

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