CVE-2021-30793 json
A logic issue was addressed with improved state management.
published 5y ago modified 4mo ago also EUVD-2021-17710
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.1%
- EPSS 3.1% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
A logic issue was addressed with improved state management. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. An application may be able to execute arbitrary code with kernel privileges.
Patch / fix
- Apple Security Update - Catalina 2021
- Apple macOS 11.5, 2021
Is CVE-2021-30793 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
3.06% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
Affected products
- Apple Security Update - Catalina
- Apple macOS
References
-
support.apple.com
/en-us/HT212602
vendor-advisory
-
support.apple.com
/en-us/HT212600
vendor-advisory
-
support.apple.com
/en-us/HT212603
vendor-advisory
Sources
- CVE List CVE-2021-30793
- NVD CVE-2021-30793
Fencer Intel 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.