CVE-2021-30911
Medium
Published: 24 August 2021
Published
24 August 2021
Modified
21 November 2024
KEV Added
—
Patch
—
CVSS Score v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS Score
0.0026
50.1th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-30911 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Apple Mac Os X. Its CVSS base score is 5.5 (Medium).
Operationally, ranked in the top 49.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17828
Vulnerability details
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Monterey 12.0.1, Security Update 2021-007 Catalina, iOS 15.1 and iPadOS 15.1, macOS Big Sur 11.6.1. Processing a maliciously crafted USD file may disclose memory contents.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
apple
ipados
≤ 15.1
apple
iphone os
≤ 15.1
apple
mac os x
10.15.7 · ≤ 10.15.7
apple
macos
12.0 · 11.0 — 11.6.1
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.