CVE-2015-3756 — The Certificate UI in Apple iOS before 8.4.1 does not prevent X.509 certificate acceptance within the lock screen, which allows physically proximate attackers to establish arbitrary certificate trust relationships by completing a dialog

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LOW

The Certificate UI in Apple iOS before 8.4.1 does not prevent X.509 certificate acceptance within the lock screen, which allows physically proximate attackers to establish arbitrary certificate trust relationships by completing a dialog

Published Aug 16, 2015

2.1

LOW

CVSS 2.0

EPSS 0.24%

Description

The Certificate UI in Apple iOS before 8.4.1 does not prevent X.509 certificate acceptance within the lock screen, which allows physically proximate attackers to establish arbitrary certificate trust relationships by completing a dialog.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.24% 0.00235

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00235

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.24% (0.00235)	13.04th	v5 (v2026.06.15)
Jun 15, 2026	0.24% (0.00235)	14.11th	v5 (v2026.06.15)
Mar 17, 2025	0.08% (0.00079)	21.06th	v4 (v2025.03.14)
Dec 12, 2024	0.11% (0.00111)	45.99th	v3 (v2023.03.01)
Jun 20, 2024	0.11% (0.00111)	44.58th	v3 (v2023.03.01)
Mar 7, 2023	0.11% (0.00111)	42.58th	v3 (v2023.03.01)
Mar 6, 2023	1.02% (0.01018)	40.69th	v2 (v2022.01.01)
Sep 10, 2022	1.02% (0.01018)	38.88th	v2 (v2022.01.01)
Apr 1, 2022	1.02% (0.01018)	36.86th	v2 (v2022.01.01)
Feb 4, 2022	1.02% (0.01018)	19.50th	v2 (v2022.01.01)

Weaknesses (1)

CWE-254

References (4)

http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html
vendor-advisoryx_refsource_APPLEVendor Advisory
http://www.securityfocus.com/bid/76337
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1033275
vdb-entryx_refsource_SECTRACK
https://support.apple.com/kb/HT205030
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://lists.apple.com/archives/security-announce/2015/Aug/msg00002.html		vendor-advisoryx_refsource_APPLEVendor Advisory
http://www.securityfocus.com/bid/76337		vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1033275		vdb-entryx_refsource_SECTRACK
https://support.apple.com/kb/HT205030		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Aug 16, 2015

Updated Aug 6, 2024

Reserved May 7, 2015

Link CVE-2015-3756

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-3756

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-3756