CVE-2018-4363: apple iphone_os Improper Input Validation
Modified
Published 03-04-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-4363 is a high (CVSS 7.1) Improper Input Validation vulnerability in apple iphone_os. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v2.0 (NVD)EPSS score
0.96%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 03-04-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
An input validation issue existed in the kernel. This issue was addressed with improved input validation. This issue affected versions prior to iOS 12, tvOS 12, watchOS 5.
CVSS metrics
2 scores · 1 source · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NSourcesSingle source
High 7.1Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:N/A:NSourcesSingle source
EPSS trend
Probability
0.96%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.96% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 3 products