Security readout for executives and security teams
Plain-English summary
CVE-2018-4290 is an Apple denial-of-service issue fixed through improved memory handling. The public record says it affected iOS versions before 11.4.1 and watchOS versions before 4.3.2. Business risk is mainly disruption on legacy or unmanaged Apple devices still running those older releases.
Executive priority
Treat this as a legacy Apple fleet hygiene issue unless old iOS or watchOS devices remain in production. Prioritize remediation for executives, frontline operations, or regulated workflows where device downtime could disrupt business processes.
Technical view
The source bundle describes a denial-of-service vulnerability resolved by improved memory handling in iOS 11.4.1 and watchOS 4.3.2. No CVSS score, CWE, vulnerable component, attack vector, or trigger details are provided. The record does not support remote-code-execution or data-theft conclusions.
Likely exposure
Exposure is most likely limited to iPhones, iPads, and Apple Watches running iOS before 11.4.1 or watchOS before 4.3.2. Modern managed fleets should have low residual exposure unless legacy devices remain enrolled, unsupported, or excluded from update policy.
Exploitation context
The provided sources do not state active exploitation, and the CVE is not marked as CISA KEV in the bundle. Public evidence here supports only a denial-of-service impact, with insufficient detail to assess exploitability, prerequisites, or attack surface.
Researcher notes
The public bundle is sparse: no component, CVSS, CWE, advisory impact detail, or exploit context is included. Analysis should stay constrained to denial of service and version-based exposure. Additional Apple advisory review may clarify component-level scope if needed.
Mitigation direction
- Update iOS devices to 11.4.1 or later where supported.
- Update Apple Watch devices to watchOS 4.3.2 or later where supported.
- Identify unsupported legacy Apple devices and remove them from sensitive workflows.
- Check Apple advisories for any environment-specific guidance before exceptions.
Validation and detection
- Use MDM inventory to find iOS versions below 11.4.1.
- Use MDM inventory to find watchOS versions below 4.3.2.
- Confirm update compliance after patch deployment or device replacement.
- Document any legacy exceptions with owner, business need, and retirement date.
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-2018-4290 mapping review
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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/HT208938CVE reference · x_refsource_MISC
- https://support.apple.com/kb/HT208935CVE 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.