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CVE-2023-42831

16
FAUCET Score

CVE-2023-42831 is a medium-severity vulnerability affecting Apple's iOS, iPadOS, and macOS operating systems, allowing an application to potentially fingerprint a user. The vulnerability has a CVSS score of 5.5, indicating a local attack vector with low complexity, requiring user interaction, and leading to high confidentiality impact. Apple addressed this issue by removing the vulnerable code in macOS Big Sur 11.7.9, iOS 15.7.8, iPadOS 15.7.8, macOS Monterey 12.6.8, and macOS Ventura 13.5. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 15.7.8CPE matchmatch criteria
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
< 15.7.8CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
>= 11.0, < 11.7.9CPE matchmatch criteria
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
>= 12.0.0, < 12.6.8CPE matchmatch criteria
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
>= 13.0, < 13.5CPE matchmatch criteria
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
12.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 15th percentile among its peer group of 5,765 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 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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 / en-us/HT213842
Release NotesVendor Advisory
support.apple.com / en-us/HT213843
Release NotesVendor Advisory
support.apple.com / en-us/HT213844
Release NotesVendor Advisory
support.apple.com / en-us/HT213845
Release NotesVendor Advisory