Is CVE-2023-42870 in the CISA KEV catalog?

No. CVE-2023-42870 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-42870?

CVE-2023-42870 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2023-42870?

CVE-2023-42870 has an EPSS score of 0.21% (11th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-42870?

Upgrade ipados to 17.0 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-42870

HIGH

7.8

CVSS v3

NVD

Description

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Sonoma 14, iOS 17 and iPadOS 17. An app may be able to execute arbitrary code with kernel privileges.

CWE-416Use After Free

How to fix

Remediation Available

ipadosNVD

Affected:< 17.0Fixed in:17.0CVE-2023-42870derived from NVD

iphone osNVD

Affected:< 17.0Fixed in:17.0CVE-2023-42870derived from NVD

macosNVD

Affected:< 14.0Fixed in:14.0CVE-2023-42870derived 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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

0.21%probability of exploitation in 30 days

11thpercentile

Low risk: more likely to be exploited than 11% of all known CVEs.

References

Vendor Advisory2

Other references2

Related Vulnerabilities

Other CWE-416 (Use After Free) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-0708	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-31166	Critical	9.8	100%	KEV	Fix
CVE-2015-5119	Critical	9.8	99%	KEV	-
CVE-2010-3962	High	8.1	97%	KEV	-
CVE-2015-0313	Critical	9.8	96%	KEV	Fix
CVE-2017-9798	High	7.5	95%	-	Fix

Embed a live status badge for CVE-2023-42870

Markdown

[![CVE-2023-42870](https://tridentstack.com/cve/badge/CVE-2023-42870.svg)](https://tridentstack.com/cve/CVE-2023-42870)

HTML

<a href="https://tridentstack.com/cve/CVE-2023-42870"><img src="https://tridentstack.com/cve/badge/CVE-2023-42870.svg" alt="CVE-2023-42870"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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 2025-11-04.