Algorithm Downgrade in Apple iOS and iPadOS - CVE-2021-30667
Published: May 25, 2021
Vulnerability identifier: #VU53511
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-30667
CWE-ID: CWE-757
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Apple Inc.
Affected software:
Apple iOS
iPadOS
Apple iOS
iPadOS
Detailed vulnerability description
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists within the Wi-Fi component. An attacker in WiFi range may be able to force a client to use a less secure authentication mechanism.
How to mitigate CVE-2021-30667
Install updates from vendor's website.