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Eset CVE-2018-0649

HIGH
Untrusted Search Path (CWE-426)
2018-09-07 vultures@jpcert.or.jp
Information Disclosure Internet Security Eset Nod32 Antivirus Smart Security Compusec Deslock Pro Smart Security Premium
7.8
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-426
OWASP Top 10:2025
A08:2025 - Software or Data Integrity Failures
ASVS 5.0
V13 - Configuration Search path verification
Impact

CVSS score of 7.8 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required.
Exploit ScenarioDerived

Successful exploitation could compromise the high-severity affected system.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 1.1% exploitation probability (EPSS)

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AnalysisAI

Untrusted search path vulnerability in the installers of multiple Canon IT Solutions Inc. Rated high severity (CVSS 7.8), 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. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-426. Untrusted search path vulnerability in the installers of multiple Canon IT Solutions Inc. software programs (ESET Smart Security Premium, ESET Internet Security, ESET Smart Security, ESET NOD32 Antivirus, DESlock+ Pro, and CompuSec (all programs except packaged ones)) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory. Affected products include: Eset Compusec, Eset Deslock\+ Pro, Eset Internet Security, Eset Nod32 Antivirus, Eset Smart Security.

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

NVD PRIMARY 7.8 HIGH
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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
High
Integrity
High
Availability
High

DescriptionNVD

Untrusted search path vulnerability in the installers of multiple Canon IT Solutions Inc. software programs (ESET Smart Security Premium, ESET Internet Security, ESET Smart Security, ESET NOD32 Antivirus, DESlock+ Pro, and CompuSec (all programs except packaged ones)) allows an attacker to gain privileges via a Trojan horse DLL in an unspecified directory.

Threat Intelligence Overview

EPSS Score
1.1%
Top 37% 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 HIGH
CISA KEV No
Public POC No
EPSS 1.1%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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

40
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +39
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)NVD

cpe:2.3:a:eset:compusec:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:deslock\+_pro:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:internet_security:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:nod32_antivirus:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:smart_security:-:*:*:*:*:*:*:*
cpe:2.3:a:eset:smart_security_premium:-:*:*:*:*:*:*:*

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References

Advisories & patches
ADVISORY https://eset-support.canon-its.jp/faq/show/10720?site_domain=default REF http://jvn.jp/en/jp/JVN41452671/index.html

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