Security readout for executives and security teams
Plain-English summary
CVE-2021-30980 is an Apple operating system memory-safety flaw. Apple says an application may be able to run code with kernel privileges, which can mean deep device compromise. Public source data does not show active exploitation or a CVSS score.
Executive priority
Treat this as a high-priority Apple patching item, especially for managed endpoints and mobile devices. There is no cited active exploitation, but kernel-level impact justifies prompt remediation.
Technical view
Apple describes this as a use-after-free issue fixed with improved memory management. The impact is arbitrary code execution with kernel privileges. Fixed releases include iOS/iPadOS 15.2, watchOS 8.3, tvOS 15.2, macOS Monterey 12.1, macOS Big Sur 11.6.2, and Security Update 2021-008 Catalina.
Likely exposure
Exposure is most likely on Apple devices that have not installed the named fixed releases or later. The source bundle does not provide exact vulnerable version ranges, affected components, or CPE detail beyond Apple OS families.
Exploitation context
The provided data does not identify active exploitation, and the CVE is not marked as CISA KEV. Risk remains meaningful because successful exploitation could grant kernel-level code execution from an application context.
Researcher notes
Public detail is limited. The sources identify the bug class, impact, and fixed releases, but not the affected kernel component, exploit prerequisites, CVSS vector, or vulnerable version boundaries.
Mitigation direction
- Update affected Apple devices to the fixed releases or later.
- Prioritize managed macOS, iOS, iPadOS, watchOS, and tvOS assets.
- Check Apple advisories for platform-specific installation guidance.
- Flag unsupported devices that cannot receive the named security updates.
Validation and detection
- Inventory Apple OS versions across endpoint and mobile fleets.
- Confirm devices meet or exceed the fixed Apple release versions.
- Review MDM compliance reports for missing Apple security updates.
- Track this CVE in vulnerability management until all assets are remediated.
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.
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-2021-30980 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/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.