Vulnerability Description
A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4, Safari 14.0.3. A malicious website may be able to access restricted ports on arbitrary servers.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Safari | < 14.0.3 |
| Apple | Ipad Os | < 14.4 |
| Apple | Iphone Os | < 14.4 |
| Apple | Macos | >= 11.0.1, < 11.2 |
| Apple | Tvos | < 14.4 |
| Apple | Watchos | < 7.3 |
| Fedoraproject | Fedora | 32 |
| Webkitgtk | Webkitgtk | < 2.30.6 |
References
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202104-03Third Party Advisory
- https://support.apple.com/en-us/HT212146Vendor Advisory
- https://support.apple.com/en-us/HT212147Vendor Advisory
- https://support.apple.com/en-us/HT212148Vendor Advisory
- https://support.apple.com/en-us/HT212149Vendor Advisory
- https://support.apple.com/en-us/HT212152Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202104-03Third Party Advisory
- https://support.apple.com/en-us/HT212146Vendor Advisory
- https://support.apple.com/en-us/HT212147Vendor Advisory
- https://support.apple.com/en-us/HT212148Vendor Advisory
- https://support.apple.com/en-us/HT212149Vendor Advisory
FAQ
What is CVE-2021-1799?
CVE-2021-1799 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A port redirection issue was addressed with additional port validation. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, tvOS 14.4, watchO...
How severe is CVE-2021-1799?
CVE-2021-1799 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-1799?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Safari, Apple Ipad Os, Apple Iphone Os, Apple Macos, Apple Tvos.