What is CVE-2018-20052?

CVE-2018-20052 is a high-severity vulnerability in Cerner Connectivity Engine 4, classified under Initialization of a Resource with an Insecure Default. CVSS score: 7.8/10. Published 2019-04-25.

How severe is CVE-2018-20052?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in Cerner Connectivity Engine 4

CVE-2018-20052

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.

EPSS: 0.004 (30.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-1188 — Initialization of a Resource with an Insecure Default

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20052?: CVE-2018-20052 is a high-severity vulnerability in Cerner Connectivity Engine 4, classified under Initialization of a Resource with an Insecure Default. CVSS score: 7.8/10. Published 2019-04-25.
How severe is CVE-2018-20052?: High severity. CVSS v3 base score is 7.8 out of 10.