Vulnerability Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update 2021-004 Catalina. A malicious application may be able to gain root privileges.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Iphone Os | < 14.7 |
| Apple | Mac Os X | >= 10.14, <= 10.14.5 |
| Apple | Macos | >= 11.0, < 11.5 |
| Apple | Tvos | < 14.7 |
| Apple | Watchos | < 7.6 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212600Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212601Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212602Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212603Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212604Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212605Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212600Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212601Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212602Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212603Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212604Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212605Release NotesVendor Advisory
FAQ
What is CVE-2021-30780?
CVE-2021-30780 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 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, Security Update ...
How severe is CVE-2021-30780?
CVE-2021-30780 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-2021-30780?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos, Apple Watchos.