CVE-2018-20052

Severity: high (CVSS 7.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-04-25 · updated 2026-06-17
Weakness: CWE-1188

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.

Affected products

Cerner Connectivity Engine 4 Firmware: before 201812 — fixed in 201812

How to fix

Upgrade to a fixed version: Cerner Connectivity Engine 4 Firmware 201812. Check the vendor advisory for mitigations.

References

https://www.securifera.com/advisories/cve-2018-20052-20053/
https://www.securifera.com/advisories/cve-2018-20052-20053/

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