Permissions, Privileges, and Access Controls in macOS - CVE-2021-1771

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Main Vulnerability Database Vulnerabilities #VU50220

Permissions, Privileges, and Access Controls in macOS - CVE-2021-1771

Published: February 2, 2021


Vulnerability identifier: #VU50220
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-1771
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
macOS
Software vendor:
Apple Inc.

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to incorrect access restrictions within the Messages component in macOS. A remote user that is removed from an iMessage group could rejoin the group.


Remediation

Install updates from vendor's website.

External links