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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (60.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000
Affected products
- Apple macOS — versions unspecified
References
- support.apple.com/en-us/HT211931 (Vendor Advisory)
- seclists.org/fulldisclosure/2020/Dec/32 (mailing-list, 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.