Vulnerability Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute arbitrary code with kernel privileges.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.8.1 |
| Apple | Iphone Os | < 14.8.1 |
| Apple | Macos | < 11.6.1 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212867Vendor Advisory
- https://support.apple.com/en-us/HT212868Vendor Advisory
- https://support.apple.com/kb/HT212872Vendor Advisory
- https://support.apple.com/en-us/HT212867Vendor Advisory
- https://support.apple.com/en-us/HT212868Vendor Advisory
- https://support.apple.com/kb/HT212872Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-US Government Resource
FAQ
What is CVE-2021-30900?
CVE-2021-30900 is a vulnerability with a CVSS score of 7.8 (HIGH). An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.8.1 and iPadOS 14.8.1, iOS 15.1 and iPadOS 15.1. A malicious application may be able to execute ...
How severe is CVE-2021-30900?
CVE-2021-30900 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-2021-30900?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos.