The issue was addressed with improved bounds checks.

published 2024-02-21 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47349

cvss: 8.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

The issue was addressed with improved bounds checks. This issue is fixed in iOS 17.1 and iPadOS 17.1. An app may be able to gain elevated privileges.

Patch / fix

fixed in 3

Apple iOS and iPadOS 17.1
apple ios 17.1
apple ipad_os 17.1

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 2 y ago (2024-02-21)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.4	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Apple iOS and iPadOS
apple ios
apple ipad_os

Classification

Weakness

CWE-276 Incorrect Default Permissions

References

support.apple.com /en-us/HT213982
vendor-advisory
support.apple.com /kb/HT213982

Sources

CVE List CVE-2023-42928
NVD CVE-2023-42928

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary