How severe is CVE-2018-20053?

CVE-2018-20053 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-20053 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20053?

CVE-2018-20053 affects Cerner Connectivity Engine 4 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-20053?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-20053 published?

CVE-2018-20053 was published on 2019-04-25 and last updated on 2026-06-17.

CVE-2018-20053

CVE-2018-20053 is a critical-severity vulnerability in Cerner Connectivity Engine 4 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cerner Connectivity Engine 4 Firmware
Published: 2019-04-25
Last modified: 2026-06-17

Description

An issue was discovered on Cerner Connectivity Engine (CCE) 4 devices. The hostname, timezone, and NTP server configurations on the CCE device are vulnerable to command injection by sending a crafted configuration file over the network.

Frequently asked questions

What is CVE-2018-20053?: An issue was discovered on Cerner Connectivity Engine (CCE) 4 devices. The hostname, timezone, and NTP server configurations on the CCE device are vulnerable to command injection by sending a crafted configuration file over the network.
How severe is CVE-2018-20053?: CVE-2018-20053 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-20053 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20053?: CVE-2018-20053 affects Cerner Connectivity Engine 4 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-20053?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-20053 published?: CVE-2018-20053 was published on 2019-04-25 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:cerner:connectivity_engine_4_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Cerner Connectivity Engine 4 Firmware

CVE-2018-20052 — High (CVSS 7.8): An issue was discovered on Cerner Connectivity Engine (CCE) 4 devices. The user running the main CCE firmware has…

All CVEs affecting Cerner Connectivity Engine 4 Firmware →