Denial of Service Vulnerability in Apple's Operating Systems
CVE-2020-9991

7.5HIGH

Key Information:

Vendor

Apple
Status
TV OS
Watch OS
Icloud For Windows
iOS And iPad OS
Vendor
CVE Published:
8 December 2020

What is CVE-2020-9991?

A vulnerability in Apple's operating systems allows a remote attacker to potentially cause a denial of service. This issue was mitigated through improved checks in updates for macOS, iOS, watchOS, iPadOS, iCloud for Windows, and tvOS. Affected users are recommended to update to the latest versions to ensure protection against this flaw.

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Deploy the Patch

Affected Version(s)

iCloud for Windows < 7.21

iOS and iPadOS < 14.0

macOS < 11.0

References

https://support.apple.com/kb/HT211846
x_refsource_CONFIRM
https://support.apple.com/en-us/HT211843
x_refsource_MISC
https://support.apple.com/en-us/HT211850
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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