Vulnerability Description
A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 14.7.1 |
| Apple | Iphone Os | < 14.7.1 |
| Apple | Macos | < 11.5.1 |
| Apple | Watchos | < 7.6.1 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212622Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212623Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212713Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212622Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212623Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212713Release NotesVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2021-30807?
CVE-2021-30807 is a vulnerability with a CVSS score of 7.8 (HIGH). A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Big Sur 11.5.1, iOS 14.7.1 and iPadOS 14.7.1, watchOS 7.6.1. An application may be able to execute a...
How severe is CVE-2021-30807?
CVE-2021-30807 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-2021-30807?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Macos, Apple Watchos.