PT-2020-16838 · Apple · Apple Macos

Thijs Alkemade · Published 2020-11-12 · Updated 2021-07-21 · CVE-2020-27900

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions macOS versions prior to 11.0.1

Description An issue existed in the handling of snapshots, which was resolved with improved permissions logic. A malicious application may be able to preview files it does not have access to.

Recommendations For versions prior to 11.0.1, update to macOS Big Sur 11.0.1 to resolve the issue. As a temporary workaround, consider restricting access to sensitive files to minimize the risk of exploitation.

Fix

Related Identifiers

CVE-2020-27900

Affected Products

Apple Macos

References · 9

• https://osv.dev/vulnerability/CVE-2020-27900 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-27900 · Security Note
• https://support.apple.com/en-us/HT211931 · Vendor Advisory
• https://t.me/cibsecurity/17299 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27900 · Note
• https://support.apple.com/en-us/102846 · Note
• https://t.me/cvenotify/6952 · Telegram Post
• http://seclists.org/fulldisclosure/2020/Dec/32 · Note
• https://t.me/cvenotify/7123 · Telegram Post