7.8

CVE-2018-4303: apple iphone_os Improper Input Validation

CVSS: 7.8v3.0HighModified
Published 03-04-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-4303 is a high (CVSS 7.8) Improper Input Validation vulnerability in apple iphone_os. EPSS estimates a 0.92% chance of exploitation in the next 30 days, higher than 59.9% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.92%
0%100%
Low · 0.00 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

An input validation issue was addressed with improved input validation. This issue affected versions prior to macOS Mojave 10.14, iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.92%

Chance of exploitation in the next 30 days

Percentile

60%

Versus all other CVEs

30-day change

0.00 pp

From 0.92% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.92%

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