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CVE-2015-3756

11
FAUCET Score

CVE-2015-3756 describes a vulnerability in Apple iOS before version 8.4.1 where the Certificate UI allowed X.509 certificate acceptance from the lock screen. This flaw enabled physically proximate attackers to establish arbitrary certificate trust relationships by interacting with a dialog box without unlocking the device. The vulnerability has a low CVSS score of 2.1, indicating low attack complexity and no authentication required, with a potential impact of modifying data integrity. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not a widely exploited or discussed threat.

Impacted Technologies

VendorProductVersion(s)CPE
<= 8.4CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

2.1LOW

AV:L/AC:L/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
14.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 2nd percentile among its peer group of 2,096 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.6 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

References

lists.apple.com / archives/security-announce/2015/Aug/msg00002.html
Vendor Advisory
support.apple.com / kb/HT205030
Vendor Advisory
securityfocus.com / bid/76337
securitytracker.com / id/1033275