What’s Vulnerable › Vulnerabilities
CVE-2020-9851
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2020-06-09 · updated 2026-06-17
Description
An access issue was addressed with improved access restrictions. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to modify protected parts of the file system.
Affected products
- macOS: before 10.15.5 — fixed in 10.15.5
How to fix
Upgrade to a fixed version: macOS 10.15.5. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2020-9851 or the next vulnerability affects your stack