4.3

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.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.0 (NVD)
EPSS score
1.62%
0%100%
Low · -0.29 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-04-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last 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 versions

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 score
1.62%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apple4 products

1 vendor · 4 products

References

4 links