CVE-2021-30834 json
A logic issue was addressed with improved state management.
published 2021-10-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17751
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
A logic issue was addressed with improved state management. This issue is fixed in iOS 14.8 and iPadOS 14.8, tvOS 15, iOS 15 and iPadOS 15, watchOS 8, Security Update 2021-007 Catalina. Processing a malicious audio file may result in unexpected application termination or arbitrary code execution.
Patch / fix
- Apple iOS and iPadOS 14.8, 15
- Apple tvOS 15
- Apple watchOS 8
- Apple Security Update - Catalina 2021
Exploit prediction
1.08% chance of exploitation in the next 30 days, higher than 65% 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 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- Apple iOS and iPadOS
- Apple tvOS
- Apple watchOS
- Apple Security Update - Catalina
References
-
support.apple.com
/kb/HT212804
vendor-advisory
-
support.apple.com
/en-us/HT212807
vendor-advisory
-
support.apple.com
/en-us/HT212814
vendor-advisory
-
support.apple.com
/en-us/HT212819
vendor-advisory
-
support.apple.com
/en-us/HT212815
vendor-advisory
-
support.apple.com
/en-us/HT212871
vendor-advisory
Sources
- CVE List CVE-2021-30834
- NVD CVE-2021-30834
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.