Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-9991

This issue was addressed with improved checks. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.0, iOS 14.0 and iPadOS 14.0, iCloud for Windows 7.21, tvOS 14.0. A remote attacker may be able to cause a denial of service.

Published

2020-12-08T22:15:19.273

Last Modified

2024-11-21T05:41:39.403

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apple	icloud	< 7.21	Yes
Application	apple	icloud	< 11.4	Yes
Operating System	apple	ipados	< 14.0	Yes
Operating System	apple	iphone_os	< 14.0	Yes
Operating System	apple	mac_os_x	< 11.0.1	Yes
Operating System	apple	tvos	< 14.0	Yes
Operating System	apple	watchos	< 7.0	Yes

References

http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory ([email protected])
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E ([email protected])
https://support.apple.com/en-us/HT211843 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211844 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211847 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211850 Vendor Advisory ([email protected])
https://support.apple.com/en-us/HT211931 Vendor Advisory ([email protected])
https://support.apple.com/kb/HT211846 Vendor Advisory ([email protected])
http://seclists.org/fulldisclosure/2020/Dec/32 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211843 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211844 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211847 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211850 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/en-us/HT211931 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT211846 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)