Vulnerability Description
A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to access restricted ports on arbitrary servers.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 14.1.1 |
| Apple | Ipados | < 14.6 |
| Apple | Iphone Os | < 14.6 |
| Apple | Macos | >= 11.0.1, < 11.4 |
| Apple | Tvos | < 14.6 |
| Apple | Watchos | < 7.5 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212528Vendor Advisory
- https://support.apple.com/en-us/HT212529Vendor Advisory
- https://support.apple.com/en-us/HT212532Vendor Advisory
- https://support.apple.com/en-us/HT212533Vendor Advisory
- https://support.apple.com/en-us/HT212534Vendor Advisory
- https://support.apple.com/en-us/HT212528Vendor Advisory
- https://support.apple.com/en-us/HT212529Vendor Advisory
- https://support.apple.com/en-us/HT212532Vendor Advisory
- https://support.apple.com/en-us/HT212533Vendor Advisory
- https://support.apple.com/en-us/HT212534Vendor Advisory
FAQ
What is CVE-2021-30720?
CVE-2021-30720 is a vulnerability with a CVSS score of 5.4 (MEDIUM). A logic issue was addressed with improved restrictions. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Safari 14.1.1, macOS Big Sur 11.4, watchOS 7.5. A malicious website may be able to a...
How severe is CVE-2021-30720?
CVE-2021-30720 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-30720?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipados, Apple Iphone Os, Apple Macos, Apple Tvos.