How severe is CVE-2020-3873?

CVE-2020-3873 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2020-3873 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-3873?

CVE-2020-3873 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-2020-3873?

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

When was CVE-2020-3873 published?

CVE-2020-3873 was published on 2020-02-27 and last updated on 2026-06-17.

CVE-2020-3873

CVE-2020-3873 is a low-severity vulnerability in Apple Ipados with a CVSS 3.x base score of 3.3. 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 3.3)
CVSS v2: 2.1
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Ipados
Published: 2020-02-27
Last modified: 2026-06-17

Description

This issue was addressed with improved setting propagation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. Turning off "Load remote content in messages” may not apply to all mail previews.

Frequently asked questions

What is CVE-2020-3873?: This issue was addressed with improved setting propagation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1. Turning off "Load remote content in messages” may not apply to all mail previews.
How severe is CVE-2020-3873?: CVE-2020-3873 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2020-3873 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-3873?: CVE-2020-3873 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-2020-3873?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-3873 published?: CVE-2020-3873 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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