Vulnerability Description
An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Iphone Os | < 14.7 |
| Apple | Tvos | < 14.7 |
| Apple | Watchos | < 7.6 |
References
- https://support.apple.com/en-us/HT212601Release 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/HT212601Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212604Release NotesVendor Advisory
- https://support.apple.com/en-us/HT212605Release NotesVendor Advisory
FAQ
What is CVE-2021-30773?
CVE-2021-30773 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue in code signature validation was addressed with improved checks. This issue is fixed in iOS 14.7, tvOS 14.7, watchOS 7.6. A malicious application may be able to bypass code signing checks.
How severe is CVE-2021-30773?
CVE-2021-30773 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-30773?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Iphone Os, Apple Tvos, Apple Watchos.