How severe is CVE-2020-3861?

CVE-2020-3861 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2020-3861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3861?

CVE-2020-3861 affects Apple Itunes. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-3861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-3861 published?

CVE-2020-3861 was published on 2020-02-27 and last updated on 2026-06-17.

CVE-2020-3861

CVE-2020-3861 is a high-severity vulnerability in Apple Itunes with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v2: 3.6
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Itunes
Published: 2020-02-27
Last modified: 2026-06-17

Description

The issue was addressed with improved permissions logic. This issue is fixed in iTunes for Windows 12.10.4. A user may gain access to protected parts of the file system.

Frequently asked questions

What is CVE-2020-3861?: The issue was addressed with improved permissions logic. This issue is fixed in iTunes for Windows 12.10.4. A user may gain access to protected parts of the file system.
How severe is CVE-2020-3861?: CVE-2020-3861 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2020-3861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3861?: CVE-2020-3861 affects Apple Itunes. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-3861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-3861 published?: CVE-2020-3861 was published on 2020-02-27 and last updated on 2026-06-17.

References

https://support.apple.com/HT210923

Affected products (1)

cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*

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