CVE-2020-27896 json
A path handling issue was addressed with improved validation.
published 2020-12-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-20389
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
A path handling issue was addressed with improved validation. This issue is fixed in macOS Big Sur 11.0.1. A remote attacker may be able to modify the file system.
Patch / fix
- Apple macOS 11.0
Exploit prediction
1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Apple macOS
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
support.apple.com
/en-us/HT211931
vendor-advisory
-
support.apple.com
/kb/HT212011
vendor-advisory
-
seclists.org
/fulldisclosure/2020/Dec/32
mailing-list, third-party-advisory
-
seclists.org
/fulldisclosure/2020/Dec/26
mailing-list, third-party-advisory
Sources
- CVE List CVE-2020-27896
- NVD CVE-2020-27896
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