CVE-2021-30686
Medium
Published: 08 September 2021
Published
08 September 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
0.0030
53.3th percentile
Risk Priority
11
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-30686 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 46.7% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17603
Vulnerability details
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted audio file may disclose restricted…
more
memory.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
apple
ipados
≤ 14.6
apple
iphone os
≤ 14.6
apple
mac os x
10.15.7 · 10.15 — 10.15.6
apple
macos
11.0 — 11.4
apple
tvos
≤ 14.6
apple
watchos
≤ 7.5
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.