#VU58851 Information disclosure in macOS - CVE-2021-30966
Published: December 14, 2021
Vulnerability identifier: #VU58851
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-30966
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
macOS
macOS
Software vendor:
Apple Inc.
Apple Inc.
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a logic error in the CFNetwork Proxies implementation. User's traffic can be unexpectedly leaked to a proxy server despite PAC configurations.
Remediation
Install updates from vendor's website.