CVE-2021-30938 json
This issue was addressed with improved checks.
published 2021-08-24 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17855
- cvss
- 7.7
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
This issue was addressed with improved checks. This issue is fixed in macOS Monterey 12.1, Security Update 2021-008 Catalina, macOS Big Sur 11.6.2. A local user may be able to cause unexpected system termination or read kernel memory.
Patch / fix
- Apple macOS 11.6, 12.1, 2021
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.7 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| NVD | 2.0 | 6.6 | AV:L/AC:L/Au:N/C:C/I:N/A:C |
Affected products
- Apple macOS
References
Sources
- CVE List CVE-2021-30938
- NVD CVE-2021-30938
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.