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CVE-2018-4117

21
FAUCET Score

CVE-2018-4117 is a Same Origin Policy bypass vulnerability in the WebKit component's fetch API, affecting iOS before 11.3, Safari before 11.1, iCloud for Windows before 7.4, iTunes for Windows before 12.7.4, and watchOS before 4.3. Rated Medium (CVSS 6.5), it allows remote attackers to obtain sensitive information via a crafted website, requiring user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or KEV listing, though it has seen limited community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.1CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 11.3CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
< 4.3CPE matchmatch criteria
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
< 7.4CPE matchmatch criteria
cpe:2.3:a:apple:icloud:*:*:*:*:*:*:*:*
< 12.7.4CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.14%
Probability of exploitation in next 30 days
EPSS Percentile
86.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0314 is in the 94th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: chromium-browser-0:68.0.3440.75-1.el6_10
View patch
applevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-4117Low

chromium-browser: Cross origin information leak in Blink

Jul 24, 2018

References

access.redhat.com / errata/RHSA-2018:2282
Third Party Advisory
security.gentoo.org / glsa/201808-01
Third Party Advisory
security.gentoo.org / glsa/201808-04
Third Party Advisory
support.apple.com / HT208693
Vendor Advisory
support.apple.com / HT208694
Vendor Advisory
support.apple.com / HT208695
Vendor Advisory
support.apple.com / HT208696
Vendor Advisory
support.apple.com / HT208697
Vendor Advisory
usn.ubuntu.com / 3635-1
Third Party Advisory
debian.org / security/2018/dsa-4256
Third Party Advisory
securityfocus.com / bid/104887
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040604
Third Party AdvisoryVDB Entry