Is CVE-2018-4436 in the CISA KEV catalog?

No. CVE-2018-4436 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4436?

CVE-2018-4436 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-4436?

CVE-2018-4436 has an EPSS score of 0.91% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4436?

Upgrade iphone os to 12.1.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2018-4436

HIGH

7.5

CVSS v3

NVD

Description

A certificate validation issue existed in configuration profiles. This was addressed with additional checks. This issue affected versions prior to iOS 12.1.1, tvOS 12.1.1, watchOS 5.1.2.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

iphone osNVD

Affected:< 12.1.1Fixed in:12.1.1CVE-2018-4436derived from NVD

tvosNVD

Affected:< 12.1.1Fixed in:12.1.1CVE-2018-4436derived from NVD

watchosNVD

Affected:< 5.1.2Fixed in:5.1.2CVE-2018-4436derived 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 VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityHigh

AvailabilityNone

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

Exploit Intelligence

0.91%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory3

Related Vulnerabilities

Other CWE-295 (Improper Certificate Validation) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-4000	Low	3.7	100%	-	Fix
CVE-2020-0601	High	8.1	89%	KEV	Fix
CVE-2009-3555	Critical	9.8	87%	-	Fix
CVE-2022-26923	High	8.8	83%	KEV	Fix
CVE-2023-27823	Critical	9.8	53%	-	-
CVE-2022-42979	High	8.8	24%	-	-

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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.