Security readout for executives and security teams
Plain-English summary
CVE-2024-40864 is a privacy weakness in Apple operating systems. An attacker with a privileged position on the network may be able to track a user’s activity. It does not affect integrity or availability according to the supplied CVSS assessment, and Apple addressed it through improved protocol handling.
Executive priority
Handle through routine patch governance rather than emergency incident response. Prioritize frequently travelling users and devices operating across networks the organization does not control. Escalate only if internal evidence indicates tracking or Apple publishes new exploitation information.
Technical view
The issue is classified as CWE-200 information exposure and scored CVSS 3.1 2.7. Exploitation requires a privileged network position, needs no user interaction, and may cause limited confidentiality loss. The sources do not identify the affected protocol, component, observable data, or exact vulnerable-version boundaries.
Likely exposure
Potential exposure exists on iOS, iPadOS, macOS, tvOS, and watchOS devices that have not reached the applicable fixed release. The supplied affected-version entries contain only placeholder values, so the exact range of vulnerable releases cannot be determined from these sources.
Exploitation context
The attacker must hold a privileged network position, substantially limiting opportunistic exploitation. The source bundle provides no evidence of active exploitation, and the CVE is not identified as being in CISA’s Known Exploited Vulnerabilities catalog. No exploit method is described.
Researcher notes
Public detail is limited to protocol handling and activity tracking. The affected-version records contain placeholder values, and no protocol, component, telemetry signature, or proof of exploitation is supplied. Exposure assessments should therefore rely on platform inventory and fixed-version verification rather than assumptions about the underlying mechanism.
Mitigation direction
- Update iPhone and iPad devices to iOS or iPadOS 18.2 or later.
- Update Macs to Sequoia 15.2, Sonoma 14.7.5, Ventura 13.7.5, or later supported releases.
- Update Apple TV and Watch devices to tvOS 18.2 and watchOS 11.2 or later.
- Check current Apple guidance for devices unable to install the named fixed releases.
Validation and detection
- Inventory affected Apple platforms and record their installed operating-system versions.
- Compare each device against the applicable fixed release named by Apple.
- Confirm managed update deployment succeeded and investigate devices reporting older releases.
- Document unsupported devices and verify their treatment against current Apple guidance.
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.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2024-40864 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
- 2.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:H/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.
SSVC decision data
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:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N1.21.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
2.7LowVector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/121837CVE reference, apple
- https://support.apple.com/en-us/121839CVE reference, apple
- https://support.apple.com/en-us/121843CVE reference, apple
- https://support.apple.com/en-us/121844CVE reference, apple
- https://support.apple.com/en-us/122374CVE reference, apple
- https://support.apple.com/en-us/122375CVE reference, apple
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.