Is CVE-2018-4366 in the CISA KEV catalog?

No. CVE-2018-4366 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-4366?

CVE-2018-4366 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2018-4366?

CVE-2018-4366 has an EPSS score of 6.45% (93th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-4366?

Upgrade iphone os to 12.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-4366

HIGHEPSS 93th pctl

7.5

CVSS v3

NVD

Description

A memory corruption issue was addressed with improved input validation. This issue affected versions prior to iOS 12.1.

CWE-119Buffer Overflow

How to fix

Remediation Available

iphone osNVD

Affected:< 12.1Fixed in:12.1CVE-2018-4366derived 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

ConfidentialityHigh

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

6.45%probability of exploitation in 30 days

93rdpercentile

High risk: more likely to be exploited than 93% of all known CVEs.

References

Vendor Advisory1

support.apple.com

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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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.