CVE-2021-30707 json
This issue was addressed with improved checks.
published 2021-09-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17624
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. Processing a maliciously crafted audio file may lead to arbitrary code execution.
Patch / fix
- Apple iOS and iPadOS 14.6
- Apple macOS 7.5, 11.4, 14.6
Exploit prediction
1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/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 macOS
Classification
- Weakness
-
- CWE-120 Buffer Copy without Checking Size of Input
References
-
support.apple.com
/en-us/HT212528
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212529
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212532
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212533
release-notes, vendor-advisory
Sources
- CVE List CVE-2021-30707
- NVD CVE-2021-30707
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.