What is CVE-2020-27900?

CVE-2020-27900 is a medium-severity vulnerability in Apple macOS. CVSS score: 5.5/10. Published 2020-12-08.

How severe is CVE-2020-27900?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Apple macOS

CVE-2020-27900

An issue existed in the handling of snapshots. The issue was resolved with improved permissions logic. This issue is fixed in macOS Big Sur 11.0.1. A malicious application may be able to preview files it does not have access to.

EPSS: 0.009 (57.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Apple Macos — versions unspecified

References

product-security@apple.com (x_refsource_MISC, Vendor Advisory)
product-security@apple.com (mailing-list, x_refsource_FULLDISC, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-27900?: CVE-2020-27900 is a medium-severity vulnerability in Apple macOS. CVSS score: 5.5/10. Published 2020-12-08.
How severe is CVE-2020-27900?: Medium severity. CVSS v3 base score is 5.5 out of 10.