Security readout for executives and security teams
Plain-English summary
This Apple macOS flaw could let a local attacker with a low-privileged account access user data. Apple describes it as a logic issue fixed with improved checks in macOS Sonoma 14.1. The public record does not describe remote exploitation, affected version ranges, or active exploitation.
Executive priority
Treat this as a routine but important endpoint patching issue. It is not currently supported by public evidence of active exploitation, but the potential exposure of user data makes delayed patching undesirable on sensitive or shared Macs.
Technical view
CVE-2023-42835 is a macOS local confidentiality issue with CVSS 3.1 score 5.5 (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N). Public details are sparse: Apple states only that improved checks resolved a logic issue that may expose user data.
Likely exposure
Exposure is most likely on macOS systems that have not received macOS Sonoma 14.1 or applicable Apple security updates. The sources do not enumerate exact affected macOS versions beyond Apple’s fixed release statement.
Exploitation context
No source in the bundle states active exploitation, and the CVE is not listed as KEV. The CVSS vector indicates local access with low privileges is required, with no user interaction needed and confidentiality impact only.
Researcher notes
Apple provides minimal root-cause detail, no component name, and no workaround beyond the fixed release. Analysis should avoid assuming exploitability beyond the CVSS vector and Apple’s description. Validate exposure through version state, not proof-of-concept testing.
Mitigation direction
- Update eligible macOS systems to macOS Sonoma 14.1 or later.
- Check Apple HT213984 for vendor guidance and fixed release details.
- Prioritize shared, kiosk, developer, and high-value executive Macs.
- Limit unnecessary local accounts on macOS endpoints.
- Monitor Apple advisories for any revised affected-version details.
Validation and detection
- Inventory macOS versions across managed endpoints.
- Confirm systems report Sonoma 14.1 or later where applicable.
- Validate patch compliance through MDM or endpoint management records.
- Review Apple advisory HT213984 against internal asset scope.
- Check for unsupported macOS systems needing upgrade planning.
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-2023-42835 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT213984CVE reference
- https://support.apple.com/kb/HT213984CVE 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.
