CVE-2021-30773 json
An issue in code signature validation was addressed with improved checks.
published 2021-09-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17690
- cvss
- 5.5
- 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 66%
- public exploits
- 0
- none known
Summary
An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.
Patch / fix
- Apple iOS 14.7
- Apple tvOS 14.7
- Apple watchOS 7.6
Exploit prediction
1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Apple iOS
- Apple tvOS
- Apple watchOS
References
-
support.apple.com
/en-us/HT212601
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212605
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212604
release-notes, vendor-advisory
Sources
- CVE List CVE-2021-30773
- NVD CVE-2021-30773
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.