Security readout for executives and security teams
Plain-English summary
CVE-2021-30871 is an Apple privacy/data-access issue. Apple says a local attacker may be able to access analytics data. It was addressed with a new entitlement and fixed in iOS 14.7, watchOS 7.6, and macOS Big Sur 11.5.
Executive priority
Handle through normal Apple endpoint patch governance. Urgency is lower than remotely exploitable or KEV-listed issues, but outdated Apple devices should still be remediated to reduce privacy exposure.
Technical view
The public record describes an entitlement weakness allowing local access to analytics data. No CVSS, CWE, affected version ranges, exploit details, or proof-of-concept information are provided in the source bundle. The named fixed releases are iOS 14.7, watchOS 7.6, and macOS Big Sur 11.5.
Likely exposure
Exposure is most likely on Apple endpoints or devices running versions older than the named fixed releases. The source bundle does not define exact affected build ranges or configurations.
Exploitation context
The source bundle supports local attack context only. It does not report remote exploitation, active exploitation, public exploit availability, or CISA KEV listing.
Researcher notes
Public evidence is sparse. The key technical clue is Apple's statement that the issue was addressed with a new entitlement, suggesting improper access control around analytics data. No exploit mechanics are provided.
Mitigation direction
- Upgrade iOS devices to 14.7 or later supported releases.
- Upgrade watchOS devices to 7.6 or later supported releases.
- Upgrade macOS Big Sur systems to 11.5 or later supported releases.
- Check Apple guidance for current supported upgrade paths.
Validation and detection
- Inventory Apple devices and operating system versions.
- Flag systems below iOS 14.7, watchOS 7.6, or macOS Big Sur 11.5.
- Confirm patch status through MDM or endpoint management records.
- Review local access risk for shared or unmanaged Apple 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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2021-30871 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/en-us/HT212601CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212602CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212605CVE 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.