Vulnerability in Apple Icloud
CVE-2018-4266
A race condition was addressed with additional validation. This issue affected versions prior toiVersions prior to: OS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Apple Icloud
- Apple Iphone OS
- Apple Itunes
- Apple Safari
- Apple tvOS
- Apple watchOS
- Microsoft Windows
- iOS, tvOS, watchOS, Safari, Itunes For Windows, Icloud Windows — versions Versions prior to: OS 11.4.1, tvOS 11.4.1, watchOS 4.3.2, Safari 11.1.2, iTunes 12.8 for Windows, iCloud for Windows 7.6
Weakness classification (CWE)
References
- support.apple.com/kb/HT208933 (Vendor Advisory)
- support.apple.com/kb/HT208938 (Vendor Advisory)
- support.apple.com/kb/HT208935 (Vendor Advisory)
- support.apple.com/kb/HT208936 (Vendor Advisory)
- support.apple.com/kb/HT208934 (Vendor Advisory)
- support.apple.com/kb/HT208932 (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-4266?
- CVE-2018-4266 is a medium-severity vulnerability in Apple Icloud, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 5.9/10. Published 2019-04-03.
- How severe is CVE-2018-4266?
- Medium severity. CVSS v3 base score is 5.9 out of 10.