Is CVE-2023-42836 in the CISA KEV catalog?

No. CVE-2023-42836 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-42836?

CVE-2023-42836 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2023-42836?

CVE-2023-42836 has an EPSS score of 0.53% (41th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-42836?

Upgrade ipad os to 17.1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2023-42836

MEDIUM

5.3

CVSS v3

NVD

Description

A logic issue was addressed with improved checks. This issue is fixed in iOS 17.1 and iPadOS 17.1, macOS Ventura 13.6.3, macOS Sonoma 14.1, macOS Monterey 12.7.2. An attacker may be able to access connected network volumes mounted in the home directory.

How to fix

Remediation Available

ipad osNVD

Affected:< 17.1Fixed in:17.1CVE-2023-42836derived from NVD

iphone osNVD

Affected:< 17.1Fixed in:17.1CVE-2023-42836derived from NVD

macosNVD

Affected:>= 13.0, < 13.6.3Fixed in:13.6.3CVE-2023-42836derived 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

ConfidentialityLow

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

0.53%probability of exploitation in 30 days

41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Vendor Advisory4

Other references4

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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 2025-11-04.