Vulnerability in Apple macOS

CVE-2020-9817

A permissions issue existed. This issue was addressed with improved permission validation. This issue is fixed in macOS Catalina 10.15.5. A malicious application may be able to gain root privileges.

EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9817?
CVE-2020-9817 is a high-severity vulnerability in Apple macOS, classified under Incorrect Default Permissions. CVSS score: 7.8/10. Published 2020-06-09.
How severe is CVE-2020-9817?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-9817 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.