CVEvulnerability
CVE-2020-27911
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-12-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.3 HIGH — AV:N/AC:M/Au:N/C:C/I:C/A:C
- Weaknesses
- CWE-190
Description
An integer overflow was addressed through improved input validation. 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. A remote attacker may be able to cause unexpected application termination or arbitrary code execution.
Affected configurations
• 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
Weakness · CWE (1)
- CWE-190 Integer Overflow or Wraparound weakness
References
- http://seclists.org/fulldisclosure/2020/Dec/26 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211928 Vendor Advisory
- https://support.apple.com/en-us/HT211929 Vendor Advisory
- https://support.apple.com/en-us/HT211930 Vendor Advisory
- https://support.apple.com/en-us/HT211931 Vendor Advisory
- https://support.apple.com/en-us/HT211933 Vendor Advisory
- https://support.apple.com/en-us/HT211935 Vendor Advisory
- https://support.apple.com/kb/HT212011 Vendor Advisory
- http://seclists.org/fulldisclosure/2020/Dec/26 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory
- https://support.apple.com/en-us/HT211928 Vendor Advisory
- https://support.apple.com/en-us/HT211929 Vendor Advisory
- https://support.apple.com/en-us/HT211930 Vendor Advisory
- https://support.apple.com/en-us/HT211931 Vendor Advisory
- https://support.apple.com/en-us/HT211933 Vendor Advisory
- https://support.apple.com/en-us/HT211935 Vendor Advisory
- https://support.apple.com/kb/HT212011 Vendor Advisory