Ipad Os
CVE-2021-1794
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
An out-of-bounds read was addressed with improved input validation. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. 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. Affected products include: Apple Ipad Os, Apple Iphone Os.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
A logic issue was addressed with improved state management. Rated critical severity (CVSS 9.8), this vulnerability is re
An out-of-bounds write was addressed with improved input validation. Rated critical severity (CVSS 9.8), this vulnerabil
An out-of-bounds write was addressed with improved input validation. Rated critical severity (CVSS 9.8), this vulnerabil
The issue was addressed with improved memory handling. Rated high severity (CVSS 8.8), this vulnerability is remotely ex
A logic issue was addressed with improved state management. Rated high severity (CVSS 8.8), this vulnerability is remote
A use after free issue was addressed with improved memory management. Rated high severity (CVSS 8.8), this vulnerability
A use after free issue was addressed with improved memory management. Rated high severity (CVSS 8.8), this vulnerability
A memory corruption issue was addressed with improved state management. Rated high severity (CVSS 8.8), this vulnerabili
A type confusion issue was addressed with improved memory handling. Rated high severity (CVSS 8.8), this vulnerability i
A memory corruption issue was addressed with improved memory handling. Rated high severity (CVSS 8.8), this vulnerabilit
A memory consumption issue was addressed with improved memory handling. Rated high severity (CVSS 8.8), this vulnerabili
A type confusion issue was addressed with improved memory handling. Rated high severity (CVSS 8.8), this vulnerability i
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
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External POC / Exploit Code
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