Vulnerability Description
A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12.11 for Windows. Processing maliciously crafted web content may lead to code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Icloud | < 11.5 |
| Apple | Itunes | < 12.11 |
| Apple | Ipados | < 14.2 |
| Apple | Iphone Os | < 14.2 |
| Apple | Macos | >= 11.0, < 11.0.1 |
| Apple | Tvos | < 14.2 |
| Apple | Watchos | < 7.1 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing ListThird Party Advisory
- https://support.apple.com/en-us/HT211928Vendor Advisory
- https://support.apple.com/en-us/HT211929Vendor Advisory
- https://support.apple.com/en-us/HT211930Vendor Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT211933Vendor Advisory
- https://support.apple.com/en-us/HT211935Vendor Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32Mailing ListThird Party Advisory
- https://support.apple.com/en-us/HT211928Vendor Advisory
- https://support.apple.com/en-us/HT211929Vendor Advisory
- https://support.apple.com/en-us/HT211930Vendor Advisory
- https://support.apple.com/en-us/HT211931Vendor Advisory
- https://support.apple.com/en-us/HT211933Vendor Advisory
- https://support.apple.com/en-us/HT211935Vendor Advisory
FAQ
What is CVE-2020-27917?
CVE-2020-27917 is a vulnerability with a CVSS score of 7.8 (HIGH). A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 14.2 and iPadOS 14.2, iCloud for Windows 11.5, tvOS 14.2, iTunes 12....
How severe is CVE-2020-27917?
CVE-2020-27917 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-2020-27917?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Icloud, Apple Itunes, Apple Ipados, Apple Iphone Os, Apple Macos.