State Issues in macOS - CVE-2021-1821
Published: February 16, 2022
Vulnerability identifier: #VU60671
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1821
CWE-ID: CWE-371
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a logic issue within the Networking component. A remote attacker can trick the victim to visit a specially crafted webpage and perform a system denial of service.
Affected software
macOS
How to mitigate CVE-2021-1821
Install updates from vendor's website.
macOS - update to 11.5 20G71