CVE-2018-4440: apple icloud Improper Input Validation
CVSS: 4.3v3.0MediumModified
Published 03-04-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-4440 is a medium (CVSS 4.3) Improper Input Validation vulnerability in apple icloud. EPSS estimates a 1.62% chance of exploitation in the next 30 days, higher than 75.8% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.0 (NVD)EPSS score
1.62%
0%100%
Low · -0.29 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-04-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
A logic issue was addressed with improved state management. This issue affected versions prior to iOS 12.1.1, Safari 12.0.2, iTunes 12.9.2 for Windows, iCloud for Windows 7.9.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 4.3Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NSourcesSingle source
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.62%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
-0.29 pp
From 1.92% on 21-09-2026
21-09-202621-10-2026
EPSS score1.62%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 4 products