Security readout for executives and security teams
Plain-English summary
This Apple macOS issue could let a malicious app gain higher privileges on a vulnerable Mac. Apple fixed it through improved entitlements in Big Sur 11.1 and specific Catalina and Mojave security updates. The source bundle does not provide CVSS severity, affected version ranges, or active exploitation evidence.
Executive priority
Treat as a routine but important endpoint patching item. Privilege escalation can increase business impact after initial compromise, but current sources do not show active exploitation or severity scoring.
Technical view
CVE-2020-29620 is a macOS privilege escalation vulnerability addressed by improved entitlements. Apple states a malicious application may be able to elevate privileges. Fixed releases are macOS Big Sur 11.1, Security Update 2020-001 Catalina, and Security Update 2020-007 Mojave. No CWE, CVSS, or detailed root cause is provided.
Likely exposure
Exposure is likely limited to Macs running affected macOS builds before the listed fixes. The bundle does not identify exact vulnerable version ranges, so teams should validate Big Sur, Catalina, and Mojave patch status directly.
Exploitation context
The provided sources describe local malicious application privilege escalation. The CVE is not marked KEV, and the bundle provides no cited evidence of active exploitation or public exploit availability.
Researcher notes
Evidence is sparse. Apple names the impact and fix category but does not provide CVSS, CWE, affected ranges, or implementation details. Avoid assuming exploitability beyond local malicious application privilege escalation.
Mitigation direction
- Apply macOS Big Sur 11.1 fix level where Big Sur is deployed.
- Apply Security Update 2020-001 on Catalina systems.
- Apply Security Update 2020-007 on Mojave systems.
- Check Apple guidance for unsupported or older macOS upgrade paths.
Validation and detection
- Inventory macOS endpoints by major version and patch level.
- Confirm Big Sur systems are at version 11.1 or later.
- Confirm Catalina systems include Security Update 2020-001.
- Confirm Mojave systems include Security Update 2020-007.
- Review endpoint controls for untrusted application execution risk.
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-2020-29620 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/HT212011CVE 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.