Is CVE-2018-20052 actively exploited?

No active exploitation of CVE-2018-20052 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-20052 be exploited remotely?

No. CVE-2018-20052 requires local access to exploit.

What is the CVSS score of CVE-2018-20052?

CVE-2018-20052 has a CVSS score of 7.8 (HIGH).

HOME VULNERABILITIESCVE-2018-20052

HIGH

CVE-2018-20052

CWE-1188Published: April 25, 2019· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

An issue was discovered on Cerner Connectivity Engine (CCE) 4 devices. The user running the main CCE firmware has NOPASSWD sudo privileges to several utilities that could be used to escalate privileges to root. One example is the "sudo ln -s /tmp/script /etc/cron.hourly/script" command.

NVD Source

Technical Analysis

CVE-2018-20052 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.