How severe is CVE-2023-40408?

CVE-2023-40408 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-40408 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-40408?

CVE-2023-40408 primarily affects Apple Ipados. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-40408?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-40408 published?

CVE-2023-40408 was published on 2023-10-25 and last updated on 2026-06-17.

CVE-2023-40408

CVE-2023-40408 is a medium-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Apple Ipados
Published: 2023-10-25
Last modified: 2026-06-17

Description

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, iOS 17.1 and iPadOS 17.1. Hide My Email may be deactivated unexpectedly.

Frequently asked questions

What is CVE-2023-40408?: An inconsistent user interface issue was addressed with improved state management. This issue is fixed in macOS Sonoma 14.1, watchOS 10.1, iOS 16.7.2 and iPadOS 16.7.2, iOS 17.1 and iPadOS 17.1. Hide My Email may be deactivated unexpectedly.
How severe is CVE-2023-40408?: CVE-2023-40408 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-40408 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-40408?: CVE-2023-40408 primarily affects Apple Ipados. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-40408?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-40408 published?: CVE-2023-40408 was published on 2023-10-25 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:14.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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