Is CVE-2018-4339 in the CISA KEV catalog?

No. CVE-2018-4339 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4339?

CVE-2018-4339 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-4339?

CVE-2018-4339 has an EPSS score of 0.27% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4339?

Upgrade iphone os to 12.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-4339

MEDIUM

5.5

CVSS v3

NVD

Description

This issue was addressed with a new entitlement. This issue is fixed in iOS 12.1. A local user may be able to read a persistent device identifier.

How to fix

Remediation Available

iphone osNVD

Affected:< 12.1Fixed in:12.1CVE-2018-4339derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.27%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Vendor Advisory1

support.apple.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.