Is CVE-2018-4435 in the CISA KEV catalog?

No. CVE-2018-4435 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4435?

CVE-2018-4435 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2018-4435?

CVE-2018-4435 has an EPSS score of 3.09% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4435?

Upgrade iphone os to 12.1.1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4435

HIGHEPSS 86th pctl

7.8

CVSS v3

NVD

Description

A logic issue was addressed with improved restrictions. This issue affected versions prior to iOS 12.1.1, macOS Mojave 10.14.2, tvOS 12.1.1, watchOS 5.1.2.

CWE-20Improper Input Validation

How to fix

Remediation Available

iphone osNVD

Affected:< 12.1.1Fixed in:12.1.1CVE-2018-4435derived from NVD

mac os xNVD

Affected:< 10.14.2Fixed in:10.14.2CVE-2018-4435derived from NVD

tvosNVD

Affected:< 12.1.1Fixed in:12.1.1CVE-2018-4435derived from NVD

watchosNVD

Affected:< 5.1.2Fixed in:5.1.2CVE-2018-4435derived 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 RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

3.09%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory4

Related Vulnerabilities

Other CWE-20 (Improper Input Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-3400	Critical	10.0	100%	KEV + Ransom	-
CVE-2021-45105	Medium	5.9	100%	-	Fix
CVE-2021-44228	Critical	10.0	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2018-7600	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2020-3452	High	7.5	100%	KEV	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.