CVE-2018-4047

Name: CVE-2018-4047
Creator: NVD / NIST
Published: 2019-01-10T15:29:00.783+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.31%

Last modified Jun 17, 2026

CVE-2018-4047 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An exploitable privilege escalation vulnerability exists in the helper service of Clean My Mac X, version 4.04, due to improper input validation. An attacker with local access could exploit this vulnerability to modify the file system as root.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

An exploitable privilege escalation vulnerability exists in the helper service of Clean My Mac X, version 4.04, due to improper input validation. An attacker with local access could exploit this vulnerability to modify the file system as root.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

0.31%

22.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Macpaw	Cleanmymac X	4.04

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0721Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2018-0721Third Party Advisory

Timeline

Published: Jan 10, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-4047?

How severe is CVE-2018-4047?

CVE-2018-4047 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.

How do I fix CVE-2018-4047?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-4047?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST