Security readout for executives and security teams
CVE-2021-30949 is an Apple operating system kernel flaw. A malicious app could potentially run code with kernel privileges, giving it deep control over the device. Apple fixed it across macOS, iOS, iPadOS, tvOS, and watchOS releases in late 2021. Exposure is likely limited to Apple devices running versions older than macOS Big Sur 11.6.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS/iPadOS 15.2, tvOS 15.2, or watchOS 8.3. Treat this as a high-priority hygiene issue for Apple fleets, especially user workstations and mobile devices. The business risk is post-compromise privilege escalation from a malicious app, not a documented remote wormable condition. Mitigation focus: Update Apple devices to the fixed OS versions or later.; Prioritize managed endpoints where users can install local applications.; Use MDM controls to reduce installation of untrusted applications..
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
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ATT&CK lookup starting points
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Execution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-30949 mapping review
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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/HT212975CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212976CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212978CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212979CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212981CVE reference · x_refsource_MISC
- https://support.apple.com/en-us/HT212980CVE 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.