Security readout for executives and security teams
Plain-English summary
This CVE identifies an XXE flaw in OpenMRS HTML Form Entry 3.7.0 as shipped with OpenMRS Reference Application 2.8.0. XXE issues can expose systems to unintended file or network access, but the provided sources do not state specific impact, severity, exploitability, or a fixed release.
Executive priority
Prioritize if OpenMRS is used in clinical or patient-data environments. The business risk cannot be scored from the provided sources, but XXE weaknesses can affect confidentiality and internal network trust boundaries.
Technical view
The public CVE description says HTML Form Entry 3.7.0 contains an XML External Entity vulnerability in the OpenMRS Reference Application 2.8.0 distribution. No CVSS, CWE, CPE, exploit evidence, or explicit mitigation text is provided in the supplied bundle. GitHub pull requests 137 and 138 are the only technical references.
Likely exposure
Exposure is likely limited to organizations running OpenMRS Reference Application 2.8.0 or HTML Form Entry 3.7.0. The bundle does not identify other affected versions, deployment conditions, or reachable attack surfaces.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not listed as KEV. Treat exploitation status as unknown unless OpenMRS advisories, logs, or threat intelligence provide additional evidence.
Researcher notes
The CVE record is sparse: no CVSS, CWE, CPE, patch version, exploit status, or detailed impact is included. Analysis should focus on verifying HTML Form Entry 3.7.0 presence and reviewing the two OpenMRS pull requests before making severity claims.
Mitigation direction
- Inventory OpenMRS deployments for Reference Application 2.8.0.
- Check installed HTML Form Entry module versions for 3.7.0.
- Review OpenMRS guidance and linked pull requests for fixed versions.
- Upgrade or replace affected modules only according to vendor guidance.
- Reduce exposure of XML-processing form workflows where practical.
Validation and detection
- Confirm module versions from deployed OpenMRS administration or manifests.
- Map whether HTML Form Entry processes untrusted user-supplied XML.
- Review upstream pull requests 137 and 138 for remediation context.
- Check OpenMRS release notes for a fixed HTML Form Entry release.
- Look for unusual XML parsing errors or unexpected outbound requests.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-16521 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/openmrs/openmrs-module-htmlformentry/pull/138CVE reference · x_refsource_MISC
- https://github.com/openmrs/openmrs-module-htmlformentry/pull/137CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.