PT-2021-18881 · Apple · Macos Big Sur+1

Matt Shockley + 1 · Published 2021-07-21 · Updated 2022-07-12 · CVE-2021-30803

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:N/A:N

Name of the Vulnerable Software and Affected Versions macOS Big Sur versions prior to 11.5

Description A permissions issue was addressed with improved validation. A malicious application may be able to access a user’s recent Contacts.

Recommendations For macOS Big Sur versions prior to 11.5, update to macOS Big Sur 11.5 to resolve the issue. As a temporary workaround, consider restricting access to the Contacts application until the update is applied.

Fix

Related Identifiers

CVE-2021-30803

Affected Products

Apple Macos

Macos Big Sur

References · 6

• https://osv.dev/vulnerability/CVE-2021-30803 · Vendor Advisory
• https://support.apple.com/en-us/HT212602 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30803 · Security Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30803 · Note
• https://support.apple.com/en-us/102849 · Note
• https://t.me/cibsecurity/28462 · Telegram Post