Is CVE-2018-4282 in the CISA KEV catalog?

No. CVE-2018-4282 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4282?

CVE-2018-4282 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2018-4282?

CVE-2018-4282 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4282?

Upgrade iphone os to 11.4.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4282

MEDIUM

5.5

CVSS v3

NVD

Description

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. This issue affected versions prior to iOS 11.4.1, tvOS 11.4.1, watchOS 4.3.2.

CWE-125Out-of-bounds Read

How to fix

Remediation Available

iphone osNVD

Affected:< 11.4.1Fixed in:11.4.1CVE-2018-4282derived from NVD

tvosNVD

Affected:< 11.4.1Fixed in:11.4.1CVE-2018-4282derived from NVD

watchosNVD

Affected:< 4.3.2Fixed in:4.3.2CVE-2018-4282derived 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:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Vendor Advisory3

Related Vulnerabilities

Other CWE-125 (Out-of-bounds Read) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2014-0160	High	7.5	100%	KEV	Fix
CVE-2025-5777	High	7.5	100%	KEV + Ransom	Fix
CVE-2021-4034	High	7.8	95%	KEV	Fix
CVE-2023-21769	High	7.5	92%	-	Fix
CVE-2023-49285	High	8.6	89%	-	Fix
CVE-2020-8794	Critical	9.8	89%	-	Fix

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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.