CVE-2020-3830 json
A validation issue existed in the handling of symlinks.
published 2020-02-27 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25095
- cvss
- 3.3
- 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 25%
- public exploits
- 0
- none known
Summary
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in macOS Catalina 10.15.3. A malicious application may be able to overwrite arbitrary files.
Patch / fix
- Apple macOS macOS Catalina 10.15.3
Exploit prediction
0.33% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 3.6 | AV:L/AC:L/Au:N/C:N/I:P/A:P |
Affected products
- Apple macOS
Classification
- Weakness
-
- CWE-59 Improper Link Resolution Before File Access
References
-
support.apple.com
/HT210919
release-notes, vendor-advisory
Sources
- CVE List CVE-2020-3830
- NVD CVE-2020-3830
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.