CVE-2021-30659 json
A validation issue was addressed with improved logic.
published 2021-09-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17576
- cvss
- 6.5
- 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 69%
- public exploits
- 0
- none known
Summary
A validation issue was addressed with improved logic. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, macOS Big Sur 11.3. A malicious application may be able to leak sensitive user information.
Patch / fix
- Apple iOS and iPadOS 14.5
- Apple watchOS 7.4
- Apple macOS 11.3
Exploit prediction
1.24% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
Affected products
- Apple iOS and iPadOS
- Apple watchOS
- Apple macOS
References
-
support.apple.com
/en-us/HT212317
vendor-advisory
-
support.apple.com
/en-us/HT212324
vendor-advisory
-
support.apple.com
/en-us/HT212325
vendor-advisory
Sources
- CVE List CVE-2021-30659
- NVD CVE-2021-30659
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.