CVE-2021-30787 json
This issue was addressed with improved checks.
published 2021-09-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17704
- cvss
- 7.8
- 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 64%
- public exploits
- 0
- none known
Summary
This issue was addressed with improved checks. 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 cause unexpected system termination or write kernel memory.
Patch / fix
- Apple Security Update - Catalina 2021
- Apple macOS 11.5, 2021
Exploit prediction
1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
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
Sources
- CVE List CVE-2021-30787
- NVD CVE-2021-30787
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.