Security readout for executives and security teams
Plain-English summary
This Apple macOS issue could let a malicious application access private information. Apple describes it as a logic issue fixed through improved state management. Public details are sparse, and no source in the bundle shows active exploitation.
Executive priority
Treat this as a privacy exposure requiring normal patch governance priority, higher where macOS endpoints handle sensitive data or allow user-installed applications.
Technical view
CVE-2020-27937 affects Apple macOS. Apple states the flaw was a logic issue addressed with improved state management, with fixes listed for macOS Big Sur 11.0.1 and 11.2, plus Security Update 2021-001 for Catalina and Mojave.
Likely exposure
Exposure is most likely on macOS systems that have not applied the listed Big Sur, Catalina, or Mojave security updates. The source bundle does not identify a specific component, configuration, or vulnerable version range beyond macOS.
Exploitation context
The documented attack condition is a malicious application gaining access to private information. The bundle does not provide exploit details, remote attack evidence, CVSS scoring, or CISA KEV listing.
Researcher notes
Evidence is limited to Apple’s brief advisory language and CVE metadata. No CWE, CVSS, affected component, proof of concept, or active exploitation signal is provided in the bundle.
Mitigation direction
- Apply Apple’s listed macOS updates or later supported security updates.
- Prioritize unmanaged or user-admin macOS devices with broad app installation rights.
- Check Apple guidance for any model-specific or version-specific update requirements.
- Restrict installation of untrusted applications through endpoint management controls.
Validation and detection
- Inventory macOS devices and record exact OS build versions.
- Confirm Big Sur systems are updated to Apple-fixed releases or later.
- Confirm Catalina and Mojave systems include Security Update 2021-001 or later.
- Review endpoint controls for unauthorized or untrusted application installs.
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-2020-27937 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
- 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/HT211931CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212147CVE 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.