CVE-2020-9991
published 2020-12-08CVE-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…
PriorityP337high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
2.79%
84.8th percentile
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.
Affected
16 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | icloud | < 7.21 | 7.21 |
| apple | icloud | >= 11.0 < 11.4 | 11.4 |
| apple | icloud_for_windows | — | — |
| apple | icloud_for_windows | — | — |
| apple | icloud_for_windows | >= unspecified < 7.21 | 7.21 |
| apple | ios_and_ipados | >= unspecified < 14.0 | 14.0 |
| apple | ipados | < 14.0 | 14.0 |
| apple | iphone_os | < 14.0 | 14.0 |
| apple | mac_os_x | < 11.0.1 | 11.0.1 |
| apple | macos | >= unspecified < 11.0 | 11.0 |
| apple | tvos | < 14.0 | 14.0 |
| apple | tvos | — | — |
| apple | tvos | >= unspecified < 14.0 | 14.0 |
| apple | watchos | < 7.0 | 7.0 |
| apple | watchos | — | — |
| apple | watchos | >= unspecified < 7.0 | 7.0 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Apple
CVE-2020-9991: iCloud for Windows 7.21
vendor_apple·2020-09-24·CVSS 7.5
CVE-2020-9991 [HIGH] CVE-2020-9991: iCloud for Windows 7.21
Apple Security Update: About the security content of iCloud for Windows 7.21
Product: iCloud for Windows
Version: 7.21
CVE: CVE-2020-9991
Component: CVE-2020-9991
Apple
CVE-2020-9991: iCloud for Windows 11.4
vendor_apple·2020-09-24·CVSS 7.5
CVE-2020-9991 [HIGH] CVE-2020-9991: iCloud for Windows 11.4
Apple Security Update: About the security content of iCloud for Windows 11.4
Product: iCloud for Windows
Version: 11.4
CVE: CVE-2020-9991
Component: CVE-2020-9991
Apple
CVE-2020-9991: tvOS 14.0
vendor_apple·2020-09-16·CVSS 7.5
CVE-2020-9991 [HIGH] CVE-2020-9991: tvOS 14.0
Apple Security Update: About the security content of tvOS 14.0
Product: tvOS
Version: 14.0
CVE: CVE-2020-9991
Component: CVE-2020-9991
Apple
CVE-2020-9991: watchOS 7.0
vendor_apple·2020-09-16·CVSS 7.5
CVE-2020-9991 [HIGH] CVE-2020-9991: watchOS 7.0
Apple Security Update: About the security content of watchOS 7.0
Product: watchOS
Version: 7.0
CVE: CVE-2020-9991
Component: CVE-2020-9991
GHSA
GHSA-5pgw-jw9q-8cfq: This issue was addressed with improved checks
ghsa_unreviewed·2022-05-24
CVE-2020-9991 [HIGH] GHSA-5pgw-jw9q-8cfq: This issue was addressed with improved checks
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.
OSV
CVE-2020-9991: This issue was addressed with improved checks
osv·2020-12-08·CVSS 7.5
CVE-2020-9991 [HIGH] CVE-2020-9991: This issue was addressed with improved checks
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
http://seclists.org/fulldisclosure/2020/Dec/32https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3Ehttps://support.apple.com/en-us/HT211843https://support.apple.com/en-us/HT211844https://support.apple.com/en-us/HT211847https://support.apple.com/en-us/HT211850https://support.apple.com/en-us/HT211931https://support.apple.com/kb/HT211846http://seclists.org/fulldisclosure/2020/Dec/32https://lists.apache.org/thread.html/rf9fa47ab66495c78bb4120b0754dd9531ca2ff0430f6685ac9b07772%40%3Cdev.mina.apache.org%3Ehttps://support.apple.com/en-us/HT211843https://support.apple.com/en-us/HT211844https://support.apple.com/en-us/HT211847https://support.apple.com/en-us/HT211850https://support.apple.com/en-us/HT211931https://support.apple.com/kb/HT211846
2020-12-08
Published