Vulnerability Description
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to execute arbitrary code with kernel privileges.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.5 |
| Apple | Iphone Os | < 14.5 |
| Apple | Tvos | < 14.5 |
| Apple | Watchos | < 7.4 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
FAQ
What is CVE-2021-1816?
CVE-2021-1816 is a vulnerability with a CVSS score of 7.8 (HIGH). A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to execute arbitrary code wi...
How severe is CVE-2021-1816?
CVE-2021-1816 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-1816?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Tvos, Apple Watchos.