Security readout for executives and security teams
Plain-English summary
CVE-2018-4275 is an Apple iOS memory corruption vulnerability fixed in iOS 11.4.1. The public source bundle does not describe the vulnerable component, attacker requirements, or impact. Business concern is limited to devices still running iOS versions before 11.4.1.
Executive priority
Treat as a legacy mobile hygiene issue unless asset data shows pre-11.4.1 iOS devices remain in use. Prioritize finding and removing those devices rather than emergency response.
Technical view
Apple states a memory corruption issue was addressed with improved memory handling. The CVE record identifies affected versions as iOS prior to 11.4.1. No CVSS score, CWE, vulnerable subsystem, exploit primitive, or attack vector is provided in the cited sources.
Likely exposure
Exposure is limited to iOS installations older than 11.4.1. Organizations with unmanaged, legacy, or noncompliant iOS devices may still have residual exposure, especially where MDM inventory is incomplete.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. It also does not provide exploitability details, so attacker access path and practical risk cannot be confirmed from these sources.
Researcher notes
Public details are sparse. Avoid assuming affected components, exploitability, or impact beyond memory corruption in iOS before 11.4.1. Validation should focus on version exposure and Apple advisory confirmation.
Mitigation direction
- Update affected iOS devices to iOS 11.4.1 or later where supported.
- Use MDM policy to block or quarantine iOS versions before 11.4.1.
- Identify unsupported legacy devices and plan replacement or isolation.
- Check Apple advisory HT208938 for vendor guidance and related update details.
Validation and detection
- Inventory all iOS device versions across managed and unmanaged assets.
- Confirm no device remains on an iOS version prior to 11.4.1.
- Review MDM compliance reports for update enforcement evidence.
- Document exceptions for unsupported or unreachable devices.
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
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CVE-2018-4275 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
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.