CVE-2021-30844
High
Published: 19 October 2021
Published
19 October 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
0.0057
69.1th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-30844 is a high-severity Missing Release of Memory after Effective Lifetime (CWE-401) vulnerability in Apple Mac Os X. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 30.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17761
Vulnerability details
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
- 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 — 10.15.6
apple
macos
≤ 11.6.1
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.