Is CVE-2019-8648 in the CISA KEV catalog?

No. CVE-2019-8648 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-8648?

CVE-2019-8648 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2019-8648?

CVE-2019-8648 has an EPSS score of 3.38% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-8648?

Upgrade iphone os to 12.4 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2019-8648

CRITICALEPSS 87th pctl

9.8

CVSS v3

NVD

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3. A remote attacker may be able to cause arbitrary code execution.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

iphone osNVD

Affected:< 12.4Fixed in:12.4CVE-2019-8648derived from NVD

mac os xNVD

Affected:< 10.14.6Fixed in:10.14.6CVE-2019-8648derived from NVD

tvosNVD

Affected:< 12.4Fixed in:12.4CVE-2019-8648derived from NVD

watchosNVD

Affected:< 5.3Fixed in:5.3CVE-2019-8648derived 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

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.38%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Vendor Advisory4

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	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.