How severe is CVE-2017-2399?

CVE-2017-2399 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-2399 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-2399?

CVE-2017-2399 affects Apple Iphone Os. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-2399?

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

When was CVE-2017-2399 published?

CVE-2017-2399 was published on 2017-04-02 and last updated on 2026-06-17.

CVE-2017-2399

CVE-2017-2399 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 4.6. 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-326.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-326
Affected product: Apple Iphone Os
Published: 2017-04-02
Last modified: 2026-06-17

Description

An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "Pasteboard" component. It allows physically proximate attackers to read the pasteboard by leveraging the use of an encryption key derived only from the hardware UID (rather than that UID in addition to the user passcode).

Frequently asked questions

What is CVE-2017-2399?: An issue was discovered in certain Apple products. iOS before 10.3 is affected. The issue involves the "Pasteboard" component. It allows physically proximate attackers to read the pasteboard by leveraging the use of an encryption key derived only from the hardware UID (rather than that UID in addition to the user passcode).
How severe is CVE-2017-2399?: CVE-2017-2399 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-2399 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-2399?: CVE-2017-2399 affects Apple Iphone Os. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-2399?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-2399 published?: CVE-2017-2399 was published on 2017-04-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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