CVE-2018-4209: apple icloud Improper Input Validation
CVSS: 8.8v3.0HighModified
AliasesUBUNTU-CVE-2018-4209DEBIAN-CVE-2018-4209
Published 11-01-2019Last modified 05-08-2024
Vulnerability summary
CVE-2018-4209 is a high (CVSS 8.8) Improper Input Validation vulnerability in apple icloud. EPSS estimates a 2.06% chance of exploitation in the next 30 days, higher than 80.9% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.0 (NVD)EPSS score
2.06%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 11-01-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, tvOS before 11.3, watchOS before 4.3, iTunes before 12.7.4 for Windows, unexpected interaction causes an ASSERT failure. This issue was addressed with improved checks.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
2.06%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.06% on 18-09-2026
18-09-202618-10-2026
EPSS score2.06%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu4 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.22.2-0ubuntu0.18.04.1
- webkitgtkAll versions (No fix recorded)
Canonical1 product
- ubuntu_linuxEOL18.04
Debian1 product
- webkit2gtk< 2.22.0-2
Webkit1 product
- webkitgtk\+< 2.22.0
5 vendors · 13 products
References
19 links- support.apple.com/HT208695%2CX Refsource MISC
- support.apple.com/HT208697%2CX Refsource MISC
- support.apple.com/HT208696%2CX Refsource MISC
- support.apple.com/HT208698%2CX Refsource MISC
- support.apple.com/HT208693%2CX Refsource MISC
- support.apple.com/en-us/HT208693Vendor Advisory
- support.apple.com/en-us/HT208695Vendor Advisory
Show all 19 references
- support.apple.com/en-us/HT208696Vendor Advisory
- support.apple.com/en-us/HT208697Vendor Advisory
- support.apple.com/en-us/HT208698Vendor Advisory