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CVE-2018-4110

28
FAUCET Score

CVE-2018-4110 is a critical vulnerability affecting Apple iOS versions prior to 11.3, specifically within the "Web App" component, allowing remote attackers to bypass intended restrictions on cookie persistence. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and high potential for confidentiality, integrity, and availability impacts. Despite its critical severity, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it shows no signs of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 11.3CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.93%
Probability of exploitation in next 30 days
EPSS Percentile
89.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0393 is in the 82nd percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

support.apple.com / HT208693
Vendor Advisory
securityfocus.com / bid/103578
Third Party AdvisoryVDB Entry
securitytracker.com / id/1040604
Third Party AdvisoryVDB Entry