#VU52636 Permissions, Privileges, and Access Controls in macOS - CVE-2021-1873

Vulnerability identifier: #VU52636

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-1873

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
macOS
Operating systems & Components / Operating system

Vendor: Apple Inc.

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists in the Windows Server component within API implementation, related to
Accessibility TCC permissions. A local user can obtain credentials from secure text fields.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

macOS: 10.14.1 18B2107 - 10.15.7 19H524, 11.0 20A2411 - 11.2.3 20D91

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External links
https://support.apple.com/en-us/HT212326
https://support.apple.com/en-us/HT212325
https://support.apple.com/en-us/HT212327

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.