CVE-2018-0649: Untrusted search path vulnerability in the installers of multiple Canon IT Solutions Inc

This month

HIGH 7.8MITIGATEMITIGATEMITIGATE

CVE-2018-0649 is a high-severity flaw (CVSS 7.8) affecting compusec, deslock\+ pro, internet security. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-426
Published	2018-09-07
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: eset

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-09-07 14:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

eset compusec MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy compusec || rpm -q compusec || compusec --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

eset deslock\+ pro MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy deslock+-pro || rpm -q deslock+-pro || deslock+-pro --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

eset internet security MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy internet-security || rpm -q internet-security || internet-security --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

eset nod32 antivirus MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nod32-antivirus || rpm -q nod32-antivirus || nod32-antivirus --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

eset smart security MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smart-security || rpm -q smart-security || smart-security --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

eset smart security premium MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy smart-security-premium || rpm -q smart-security-premium || smart-security-premium --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-0649?

compusec: mitigate or apply the listed mitigation; deslock\+ pro: mitigate or apply the listed mitigation; internet security: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-0649 being exploited?

CVE-2018-0649 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-0649 affect?

CVE-2018-0649 affects compusec, deslock\+ pro, internet security. Severity is high (CVSS 7.8). 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 pro

How urgent is CVE-2018-0649?

Priority 44/100. High severity

Software pages

ESET vulnerabilities · Canon printers vulnerabilities

References

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