Security readout for executives and security teams
Plain-English summary
CVE-2021-30972 is an Apple macOS privacy-control bypass. A malicious local application may be able to bypass certain Privacy preferences, potentially weakening user-approved access boundaries. Apple says the issue was fixed with improved checks in Security Update 2022-001 Catalina and macOS Big Sur 11.6.3.
Executive priority
Treat this as a medium-priority endpoint hygiene issue unless sensitive Macs remain unpatched or users can run untrusted applications. There is no provided evidence of active exploitation, but the impact concerns macOS privacy boundaries, so patch compliance should be verified.
Technical view
The public record describes a macOS issue where insufficient checks allowed a malicious application to bypass certain Privacy preferences. The source bundle does not provide CVSS, CWE, affected version ranges, root-cause detail, or proof-of-concept information. Apple lists vendor fixes for Catalina and Big Sur.
Likely exposure
Exposure is most likely on macOS systems that have not received Security Update 2022-001 Catalina or macOS Big Sur 11.6.3. The source bundle does not define complete affected version ranges, so confirm exact exposure against Apple advisories and fleet inventory.
Exploitation context
The provided sources do not report active exploitation, and the CVE is not listed as KEV in the bundle. The described attacker condition is a malicious application already running on macOS, making this most relevant to endpoint compromise, malware, or untrusted app execution scenarios.
Researcher notes
Public detail is limited. The record identifies a privacy-preference bypass by a malicious application and a fix via improved checks, but does not name a component, affected version range, CVSS vector, CWE, or exploitation details. Avoid assuming broader impact beyond Apple’s wording.
Mitigation direction
- Apply Security Update 2022-001 Catalina where Catalina remains deployed.
- Upgrade Big Sur systems to macOS Big Sur 11.6.3 or later.
- Check Apple advisories for any additional supported macOS fixes.
- Restrict installation and execution of untrusted applications.
- Prioritize managed endpoints handling sensitive user data.
Validation and detection
- Inventory macOS hosts by exact OS version and patch level.
- Confirm Catalina hosts include Security Update 2022-001.
- Confirm Big Sur hosts run 11.6.3 or later.
- Review endpoint controls for untrusted or unauthorized applications.
- Check Apple guidance for any remaining unsupported macOS exposure.
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-2021-30972 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/kb/HT212978CVE reference · x_refsource_CONFIRM
- https://support.apple.com/en-us/HT213055CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT213056CVE 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.