CVE-2021-30698
High
Published: 08 September 2021
Published
08 September 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0047
65.0th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-30698 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Apple Safari. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 35.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-17615
Vulnerability details
A null pointer dereference was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.4, Safari 14.1.1, iOS 14.6 and iPadOS 14.6. A remote attacker may be able to cause a denial of service.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
apple
safari
≤ 14.1.1
apple
ipados
≤ 14.6
apple
iphone os
≤ 14.6
apple
macos
11.0 — 11.4
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.