How severe is CVE-2018-4172?

CVE-2018-4172 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-4172 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-4172?

CVE-2018-4172 affects Apple Iphone Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-4172?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-4172 published?

CVE-2018-4172 was published on 2018-04-03 and last updated on 2026-06-17.

CVE-2018-4172

CVE-2018-4172 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Iphone Os
Published: 2018-04-03
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Find My iPhone" component. It allows physically proximate attackers to bypass the iCloud password requirement for disabling the "Find My iPhone" feature via vectors involving a backup restore.

Frequently asked questions

What is CVE-2018-4172?: An issue was discovered in certain Apple products. iOS before 11.3 is affected. The issue involves the "Find My iPhone" component. It allows physically proximate attackers to bypass the iCloud password requirement for disabling the "Find My iPhone" feature via vectors involving a backup restore.
How severe is CVE-2018-4172?: CVE-2018-4172 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-4172 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-4172?: CVE-2018-4172 affects Apple Iphone Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-4172?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-4172 published?: CVE-2018-4172 was published on 2018-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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