CVE-2021-1794

9.8 criticalEPSS 2.2%

Critical (9.8) in apple. EPSS 2.2% chance of exploitation in the next 30 days.

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.4 and iPadOS 14.4. A remote attacker may be able to cause arbitrary code execution.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-04-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:ipad_os
apple:iphone_os

References

https://support.apple.com/en-us/HT212146
https://support.apple.com/en-us/HT212146

Check your stack JSON