#VU52600 Improper Initialization in macOS - CVE-2021-1857
Published: April 27, 2021
Vulnerability identifier: #VU52600
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-1857
CWE-ID: CWE-665
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 sensitive information.
The vulnerability exists due to improper initialization within the CFNetwork component when processing crafted web content. A remote attacker can trick the victim to open a specially crafted webpage, trigger memory corruption and gain access to sensitive information.
Remediation
Install updates from vendor's website.