CVE-2021-30821
High
Published: 28 October 2021
Published
28 October 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.0029
53.0th percentile
Risk Priority
16
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-30821 is a high-severity an unspecified weakness vulnerability in Apple Mac Os X. Its CVSS base score is 7.8 (High).
Operationally, ranked in the top 47.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17738
Vulnerability details
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, macOS Big Sur 11.6.1. A malicious application may be able to execute arbitrary code with kernel privileges.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
apple
mac os x
10.15.7 · ≤ 10.15.7
apple
macos
11.0 — 11.6.1 · 12.0.0 — 12.0.1
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.