CVE-2021-1794: Input Validation
Published Jan 26, 2021
·Updated
Bluetooth. An out-of-bounds read was addressed with improved input validation.
Credit
Jianjun Dai(360 Alpha Lab)
Affected Software
4 affected componentsFixes available
iPadOS<14.4
iPhone OS<14.4
Apple iOS and iPadOS<14.4
14.4
Apple iOS, iPadOS, and macOS<14.4
14.4
Event History
Apr 2, 2021
CVE Published
via MITRE·06:02 PM
Data Sourced
via MITRE·06:02 PM
DescriptionWeakness
Frequently Asked Questions
1
What is CVE-2021-1794?
CVE-2021-1794 is a vulnerability related to Bluetooth that allows an out-of-bounds read due to improved input validation.
2
Which software is affected by CVE-2021-1794?
CVE-2021-1794 affects Apple iOS up to version 14.4 and Apple iPadOS up to version 14.4.
3
How severe is CVE-2021-1794?
The severity of CVE-2021-1794 depends on the impact of the out-of-bounds read, which could potentially lead to unauthorized access or information disclosure.
4
How can I fix CVE-2021-1794?
To fix CVE-2021-1794, update your Apple iOS or iPadOS device to version 14.4 or higher.
5
Where can I find more information about CVE-2021-1794?
You can find more information about CVE-2021-1794 on the Apple support website at the following link: [https://support.apple.com/en-us/HT212146](https://support.apple.com/en-us/HT212146)