Information disclosure in Apple iOS and iPadOS - CVE-2021-30998
Published: February 13, 2023
Vulnerability identifier: #VU72157
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30998
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in Mail application when sending an S/MIME encrypted email using a certificate with more than one email address. A remote attacker can gain obtain user's email address.
Affected software
Apple iOS
iPadOS
iPadOS
How to mitigate CVE-2021-30998
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