CVE-2021-30783 json
An access issue was addressed with improved access restrictions.
published 2021-09-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17700
- cvss
- 6.5
- 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 27%
- public exploits
- 0
- none known
Summary
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. A sandboxed process may be able to circumvent sandbox restrictions.
Patch / fix
- Apple Security Update - Catalina 2021
- Apple macOS 11.5, 2021
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 27% 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:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:P/A:N |
Affected products
- Apple Security Update - Catalina
- Apple macOS
References
-
support.apple.com
/en-us/HT212602
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212600
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212603
release-notes, vendor-advisory
-
support.apple.com
/kb/HT212805
vendor-advisory
-
seclists.org
/fulldisclosure/2021/Sep/40
mailing-list, third-party-advisory
Sources
- CVE List CVE-2021-30783
- NVD CVE-2021-30783
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.