Vulnerability Description
A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud for Windows 12.3, macOS Big Sur 11.3, watchOS 7.4, tvOS 14.5, iOS 14.5 and iPadOS 14.5. Processing maliciously crafted web content may disclose sensitive user information.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Icloud | < 12.3 |
| Apple | Itunes | < 12.11.3 |
| Apple | Ipados | < 14.5 |
| Apple | Iphone Os | < 14.5 |
| Apple | Mac Os X | 10.14 |
| Apple | Macos | >= 11.0, < 11.3 |
| Apple | Tvos | < 14.5 |
| Apple | Watchos | < 7.4 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212319Vendor Advisory
- https://support.apple.com/en-us/HT212321Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
- https://support.apple.com/en-us/HT212325Vendor Advisory
- https://support.apple.com/en-us/HT212326Vendor Advisory
- https://support.apple.com/en-us/HT212327Vendor Advisory
- https://support.apple.com/en-us/HT212317Vendor Advisory
- https://support.apple.com/en-us/HT212319Vendor Advisory
- https://support.apple.com/en-us/HT212321Vendor Advisory
- https://support.apple.com/en-us/HT212323Vendor Advisory
- https://support.apple.com/en-us/HT212324Vendor Advisory
- https://support.apple.com/en-us/HT212325Vendor Advisory
- https://support.apple.com/en-us/HT212326Vendor Advisory
FAQ
What is CVE-2021-1857?
CVE-2021-1857 is a vulnerability with a CVSS score of 6.5 (MEDIUM). A memory initialization issue was addressed with improved memory handling. This issue is fixed in iTunes 12.11.3 for Windows, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iCloud...
How severe is CVE-2021-1857?
CVE-2021-1857 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-2021-1857?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Icloud, Apple Itunes, Apple Ipados, Apple Iphone Os, Apple Mac Os X.