Cryptographic issues in Apple iOS and iPadOS - CVE-2021-30997
Published: February 13, 2023
Vulnerability identifier: #VU72158
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2021-30997
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to recover encrypted information.
The vulnerability exists due to an error when handling encrypted email within Mail application. A remote attacker can recover plaintext contents of an S/MIME-encrypted emails.
Affected software
Apple iOS
iPadOS
iPadOS
How to mitigate CVE-2021-30997
Install updates from vendor's website.
Apple iOS - update to 15.2 19C56
iPadOS - update to 15.2 19C56
iPadOS - update to 15.2 19C56