CVE-2021-30844 json
A logic issue was addressed with improved state management.
published 5y ago modified 4mo ago also EUVD-2021-17761
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
A logic issue was addressed with improved state management. This issue is fixed in Security Update 2021-005 Catalina, macOS Big Sur 11.6. A remote attacker may be able to leak memory.
Patch / fix
- Apple macOS 11.6, 2021
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Check with FencerExploit prediction
1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- Apple macOS
Classification
- Weakness
-
- CWE-401 Missing Release of Memory after Effective Lifetime
References
-
support.apple.com
/en-us/HT212804
release-notes, vendor-advisory
-
support.apple.com
/en-us/HT212805
release-notes, vendor-advisory
-
support.apple.com
/kb/HT212871
vendor-advisory
-
support.apple.com
/kb/HT212872
vendor-advisory
Sources
- CVE List CVE-2021-30844
- NVD CVE-2021-30844
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