Security readout for executives and security teams
Plain-English summary
CVE-2018-4289 is an Apple macOS information disclosure issue affecting versions before macOS High Sierra 10.13.6. Apple says it fixed the issue by removing vulnerable code. The public record does not describe what data could be exposed or how an attacker would trigger it.
Executive priority
Treat this as a legacy macOS hygiene issue unless affected systems remain in use. Prioritize discovery and patch confirmation, especially for endpoints that handle sensitive data.
Technical view
The sources identify an information disclosure flaw in macOS versions prior to High Sierra 10.13.6. No CVSS score, CWE, component, attack vector, prerequisites, or proof-of-concept details are provided. Apple’s advisory states the vulnerable code was removed in the fixed release.
Likely exposure
Exposure appears limited to macOS systems running versions earlier than macOS High Sierra 10.13.6. The source bundle does not identify other Apple platforms, specific services, configurations, or third-party products as affected.
Exploitation context
The source bundle does not report active exploitation, and the CVE is not listed as KEV in the provided data. Public details are too sparse to assess exploitability beyond the information disclosure classification.
Researcher notes
The public sources provide minimal technical detail. Do not infer component, trigger path, impact scope, or exploit maturity from the CVE text alone. Validation should focus on version exposure and Apple advisory alignment.
Mitigation direction
- Identify macOS endpoints running versions before High Sierra 10.13.6.
- Apply Apple’s macOS High Sierra 10.13.6 update to affected systems.
- For unsupported devices, consult Apple guidance for supported upgrade or replacement options.
- Track remediation through endpoint management or asset inventory records.
Validation and detection
- Confirm each macOS endpoint reports High Sierra 10.13.6 or a later supported release.
- Compare asset inventory against known legacy macOS systems.
- Review patch management records for Apple security update HT208937 coverage.
- Document any systems that cannot be updated and their business owner.
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-2018-4289 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://support.apple.com/kb/HT208937CVE 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.