CVE-2020-9991: apple icloud
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2020-9991
Published 08-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-9991 is a high (CVSS 7.5) vulnerability in apple icloud. EPSS estimates a 2.82% chance of exploitation in the next 30 days, higher than 86.3% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.82%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
2.82%
Chance of exploitation in the next 30 days
Percentile
86%
Versus all other CVEs
30-day change
0.00 pp
From 2.82% on 18-09-2026
18-09-202618-10-2026
EPSS score2.82%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Apple9 products
- icloud< 7.21 | ≥ 11.0, < 11.4
- icloud for windows≥ unspecified, < 7.21
- ios and ipados≥ unspecified, < 14.0
- ipados< 14.0
- iphone_os< 14.0
Ubuntu1 product
- sqliteAll versions (No fix recorded)
2 vendors · 10 products