CVE-2021-30721 json
A path handling issue was addressed with improved validation.
published 2021-09-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17638
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 24.3%
- EPSS 24.3% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.
Patch / fix
- Apple macOS 11.4, 2021
Exploit prediction
24.29% chance of exploitation in the next 30 days, higher than 97% 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:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:P/I:N/A:N |
Affected products
- Apple macOS
References
-
support.apple.com
/en-us/HT212529
vendor-advisory
-
support.apple.com
/en-us/HT212530
vendor-advisory
-
support.apple.com
/en-us/HT212531
vendor-advisory
Sources
- CVE List CVE-2021-30721
- NVD CVE-2021-30721
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