Algorithm Downgrade in iPadOS and Apple iOS - CVE-2021-30667
Published: May 25, 2021
Vulnerability identifier: #VU53511
CSH Severity: Low
CVSS v4: 2.3 [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]
CVE-ID: CVE-2021-30667
CWE-ID: CWE-757
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
iPadOS
Apple iOS
Apple iOS
How to mitigate CVE-2021-30667
Install updates from vendor's website.
iPadOS - update to 14.6 18F72
Apple iOS - update to 14.6 18F72
Apple iOS - update to 14.6 18F72