How severe is CVE-2020-3859?

CVE-2020-3859 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-3859 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3859?

CVE-2020-3859 primarily affects Apple Ipados. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-3859?

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

When was CVE-2020-3859 published?

CVE-2020-3859 was published on 2020-02-27 and last updated on 2026-06-17.

CVE-2020-3859

CVE-2020-3859 is a low-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 2.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
CVSS v2: 2.1
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Ipados
Published: 2020-02-27
Last modified: 2026-06-17

Description

An inconsistent user interface issue was addressed with improved state management. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. A person with physical access to an iOS device may be able to access contacts from the lock screen.

Frequently asked questions

What is CVE-2020-3859?: An inconsistent user interface issue was addressed with improved state management. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. A person with physical access to an iOS device may be able to access contacts from the lock screen.
How severe is CVE-2020-3859?: CVE-2020-3859 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-3859 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3859?: CVE-2020-3859 primarily affects Apple Ipados. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-3859?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-3859 published?: CVE-2020-3859 was published on 2020-02-27 and last updated on 2026-06-17.

References

https://support.apple.com/HT210918

Affected products (2)

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

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