Security readout for executives and security teams
Plain-English summary
CVE-2018-4355 is an Apple configuration issue fixed by adding restrictions. The public bundle only says it affected iOS versions before 12 and macOS versions before Mojave 10.14, so business urgency depends on whether older Apple devices remain in use.
Executive priority
Treat this as a legacy endpoint hygiene issue unless your environment still has older Apple devices. Prioritize verification in asset inventory and remediation for unsupported devices.
Technical view
The available description is sparse: Apple addressed a configuration issue with additional restrictions. No CVSS, CWE, vulnerable component, attack vector, or impact details are provided in the supplied sources. Affected platforms are iOS before 12 and macOS before Mojave 10.14.
Likely exposure
Exposure is most likely limited to unmanaged, legacy, or unsupported Apple endpoints still running iOS before 12 or macOS before 10.14. Current fleets should verify rather than assume absence.
Exploitation context
The supplied bundle does not show CISA KEV listing or any cited evidence of active exploitation. It also does not include public exploit details or impact specifics.
Researcher notes
Public details are insufficient for deep exploitability analysis. Track Apple advisory context and CVE records, but avoid inferring component, privilege requirements, or impact beyond the provided configuration-issue wording.
Mitigation direction
- Update affected iOS devices to iOS 12 or later where supported.
- Update affected macOS systems to Mojave 10.14 or later where supported.
- Check Apple security guidance for device-specific update availability.
- Retire or isolate devices that cannot receive supported Apple updates.
Validation and detection
- Inventory Apple endpoints and record iOS and macOS versions.
- Flag iOS versions earlier than 12 as potentially affected.
- Flag macOS versions earlier than Mojave 10.14 as potentially affected.
- Confirm update status against Apple security update records.
- Document unsupported devices and compensating controls.
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-2018-4355 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/HT209106CVE reference · x_refsource_MISC
- https://support.apple.com/kb/HT209139CVE 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.