CVE-2021-30668 json
This issue was addressed with improved checks.
published 2021-09-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17585
- cvss
- 4.6
- 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 19%
- public exploits
- 0
- none known
Summary
This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.4. A person with physical access to a Mac may be able to bypass Login Window during a software update.
Patch / fix
- Apple macOS 11.4
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/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 macOS
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
support.apple.com
/en-us/HT212529
release-notes, vendor-advisory
Sources
- CVE List CVE-2021-30668
- NVD CVE-2021-30668
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.