PT-2021-18826 · Apple · Apple Macos+3

Aleksandar Nikolic · Published 2021-05-24 · Updated 2022-07-12 · CVE-2021-30721

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions macOS versions prior to 11.4 Security Update versions prior to 2021-003 Catalina Security Update versions prior to 2021-004 Mojave

Description A path handling issue was addressed with improved validation, which could allow an attacker in a privileged network position to leak sensitive user information.

Recommendations For macOS versions prior to 11.4, update to macOS Big Sur 11.4 or later. For Security Update versions prior to 2021-003 Catalina, apply Security Update 2021-003 Catalina or later. For Security Update versions prior to 2021-004 Mojave, apply Security Update 2021-004 Mojave or later.

Fix

Related Identifiers

CVE-2021-30721

Affected Products

Big Sur

Catalina

Apple Macos

Mojave

References · 7

• https://support.apple.com/en-us/HT212529 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-30721 · Security Note
• https://support.apple.com/en-us/HT212530 · Vendor Advisory
• https://support.apple.com/en-us/HT212531 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-30721 · Vendor Advisory
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30721 · Note
• https://support.apple.com/en-us/103131 · Note