Main Vulnerability Database Vulnerabilities #VU57739

Man-in-the-Middle (MitM) attack in macOS - CVE-2021-30823

Published: October 27, 2021

Vulnerability identifier: #VU57739

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2021-30823

CWE-ID: CWE-300

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

Vendor: Apple Inc.

Affected software:
macOS

Detailed vulnerability description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists in WebKit. A remote attacker can bypass HSTS and perform MitM attack.

Install updates from vendor's website.