Vulnerability in Apple macOS

CVE-2020-9771

This issue was addressed with a new entitlement. This issue is fixed in macOS Catalina 10.15.4. A user may gain access to protected parts of the file system.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (28.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-9771: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9771?
CVE-2020-9771 is a high-severity vulnerability in Apple macOS. CVSS score: 7.1/10. Published 2020-10-22.
How severe is CVE-2020-9771?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2020-9771 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.