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CVE Record

CVE-2018-20053: An issue was discovered on Cerner Connectivity Engine (CCE) 4 devices.

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.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Cerner Connectivity Engine 4 devices may accept malicious configuration content that turns routine settings changes into command execution. For healthcare environments using CCE, this could threaten systems that move or integrate clinical data. The public record does not provide CVSS scoring, affected CPEs, or vendor remediation details.

Executive priority

Treat this as a high-priority exposure review for healthcare environments using CCE 4, not as confirmed active exploitation. The main urgency is that a network-supplied configuration file could affect a clinical connectivity appliance, while public remediation details are incomplete.

Technical view

CVE-2018-20053 is a command injection issue in CCE 4 configuration handling. Hostname, timezone, and NTP server settings are described as vulnerable when a crafted configuration file is sent over the network. The provided sources do not name specific fixed versions, mitigations, or exploit artifacts.

Likely exposure

Exposure is most likely limited to organizations operating Cerner Connectivity Engine 4 devices, especially where configuration import or management interfaces are reachable over internal networks. The provided CVE data does not identify CPEs, other versions, or exact deployment prerequisites.

Exploitation context

The source bundle marks this CVE as not listed in KEV, and no cited source states active exploitation. The public description indicates network-delivered crafted configuration is the attack vector, but does not provide authentication requirements or observed exploitation evidence.

Researcher notes

Key unknowns are authentication requirements, exact vulnerable builds, fixed versions, and operational impact after command injection. Avoid assuming broader Cerner or Oracle Health product exposure beyond CCE 4 unless vendor documentation confirms it.

Mitigation direction

  • Inventory Cerner Connectivity Engine 4 devices in clinical and integration networks.
  • Check Cerner or Oracle Health guidance for fixed versions or hardening instructions.
  • Restrict access to CCE configuration and management interfaces to trusted administrators.
  • Monitor configuration changes for unexpected hostname, timezone, or NTP modifications.
  • Review network controls around systems that can send configuration files to CCE devices.

Validation and detection

  • Confirm whether any deployed device is Cerner Connectivity Engine version 4.
  • Identify who and what systems can submit configuration files to CCE devices.
  • Review change logs for unusual hostname, timezone, or NTP server updates.
  • Verify management interfaces are not reachable from untrusted network segments.
  • Check vendor advisories for remediation status before planning compensating controls.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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CVE-2018-20053 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.