CVE-2021-30838 json
A memory corruption issue was addressed with improved memory handling.
published 2021-10-19 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17755
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 15 and iPadOS 15. A malicious application may be able to execute arbitrary code with system privileges on devices with an Apple Neural Engine.
Patch / fix
- Apple iOS and iPadOS 15
Exploit prediction
1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
Affected products
- Apple iOS and iPadOS
References
-
support.apple.com
/kb/HT212804
vendor-advisory
-
support.apple.com
/kb/HT212807
vendor-advisory
-
support.apple.com
/en-us/HT212814
release-notes, vendor-advisory
-
seclists.org
/fulldisclosure/2021/Oct/61
mailing-list, release-notes, third-party-advisory
Sources
- CVE List CVE-2021-30838
- NVD CVE-2021-30838
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