CVE-2020-3841

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-02-27 · updated 2026-06-17
Weakness: CWE-319

Description

The issue was addressed with improved UI handling. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, Safari 13.0.5. A local user may unknowingly send a password unencrypted over the network.

Affected products

Apple iPadOS: before 13.3.1 — fixed in 13.3.1
Apple Iphone Os: before 13.3.1 — fixed in 13.3.1
Apple Safari: before 13.0.5 — fixed in 13.0.5

How to fix

Upgrade to a fixed version: Apple iPadOS 13.3.1; Apple Iphone Os 13.3.1; Apple Safari 13.0.5. Check the vendor advisory for mitigations.

References

https://support.apple.com/HT210918
https://support.apple.com/HT210922
https://support.apple.com/HT210918
https://support.apple.com/HT210922

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