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Vulnerability details: VCID-zrq3-mwzt-t7cc
Vulnerability ID VCID-zrq3-mwzt-t7cc
Aliases CVE-2018-4190
Summary An issue was discovered in certain Apple products. iOS before 11.4 is affected. Safari before 11.1.1 is affected. iCloud before 7.5 on Windows is affected. iTunes before 12.7.5 on Windows is affected. tvOS before 11.4 is affected. The issue involves the "WebKit" component. It allows remote attackers to obtain sensitive credential information that is transmitted during a CSS mask-image fetch.
Status Published
Exploitability 0.5
Weighted Severity 7.9
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-522 Insufficiently Protected Credentials
System Score Found at
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01476 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01516 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01516 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01516 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01516 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
epss 0.01516 https://api.first.org/data/v1/epss?cve=CVE-2018-4190
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-4190
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2018-4190
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-4190
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-4190
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
CVE-2018-4190 https://nvd.nist.gov/vuln/detail/CVE-2018-4190
USN-3687-1 https://usn.ubuntu.com/3687-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4190
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-4190
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.80166
EPSS Score 0.01476
Published At Aug. 4, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:22.223413+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/3687-1/ 37.0.0