CVE-2021-30962
Published: 24 August 2021
Summary
CVE-2021-30962 is a medium-severity Improper Initialization (CWE-665) vulnerability in Apple Macos. Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 44.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17879
Vulnerability details
A memory initialization issue was addressed with improved memory handling. This issue is fixed in tvOS 15.2, macOS Big Sur 11.6.2. Parsing a maliciously crafted audio file may lead to disclosure of user information.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Ensures shared resources are explicitly initialized or cleared on allocation, preventing exposure of prior contents to new users or processes.
Mandates that every instance begins in a known (presumably clean) state, eliminating reliance on residual or uninitialized state left by prior executions.