Security readout for executives and security teams
Plain-English summary
This is a low-severity Apple privacy issue. Someone with physical access to an affected iPhone or iPad could use VoiceOver to see private calendar information that should have been redacted. Apple states the issue is fixed in iOS 17 and iPadOS 17.
Executive priority
Treat this as routine but real privacy hygiene. It does not justify emergency response by itself, but devices containing sensitive calendars should be updated promptly through normal mobile fleet controls.
Technical view
CVE-2023-40529 is an iOS and iPadOS information disclosure flaw caused by insufficient redaction of sensitive calendar information. The CVSS 3.1 vector is physical access, low complexity, no privileges, no user interaction, with low confidentiality impact and no integrity or availability impact.
Likely exposure
Exposure is mainly unmanaged, shared, lost, borrowed, or physically accessible iPhones and iPads running versions before the iOS 17 or iPadOS 17 fix. The source bundle does not provide exact vulnerable version ranges.
Exploitation context
The provided sources do not indicate active exploitation, and the CVE is not listed as KEV in the bundle. Practical abuse requires physical access to the device and targets private calendar information, limiting remote enterprise-scale risk.
Researcher notes
Evidence is limited to Apple and CVE records. The advisory names the fixed platforms but does not provide detailed vulnerable version ranges, exploit details, or separate mitigations beyond the improved redaction fix in iOS 17 and iPadOS 17.
Mitigation direction
- Update supported iPhones to iOS 17 or later.
- Update supported iPads to iPadOS 17 or later.
- Use MDM to prioritize executive, shared, and high-sensitivity devices.
- Reduce unattended physical access to devices pending update.
- Check Apple guidance for unsupported device handling.
Validation and detection
- Inventory iOS and iPadOS versions across managed devices.
- Confirm no supported device remains below version 17.
- Review MDM compliance for high-risk user groups.
- Document exceptions for devices that cannot update.
- Verify Apple advisory coverage for the deployed platform versions.
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-2023-40529 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
- Low
- CVSS
- 2.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
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 vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N0.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
2.4LowVector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT213938CVE reference
- https://support.apple.com/kb/HT213938CVE reference
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.