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TI-2020-03343 Aliases CVE-2020-3841GHSA-237h-5fc4-8x3g

Cleartext transmission of sensitive information in Apple iOS

Priority LOW 30CWE-319Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-319.

Summary

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.

Why it matters now

EPSS 0.00546 46th percentileScored 2026-11-07
Fix Fixed iOS (Apple): iOS 13.3.1 and iPadOS 13.3.1Safari (Apple): Safari 13.0.5

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 13.3.1 and iPadOS 13.3.1iOS 13.3.1 and iPadOS 13.3.1Patch availableCNA
AppleSafaribefore Safari 13.0.5Safari 13.0.5Patch availableCNA
  • iOS VendorApple Affected before iOS 13.3.1 and iPadOS 13.3.1 Fixed in iOS 13.3.1 and iPadOS 13.3.1 Patch available CNA
  • Safari VendorApple Affected before Safari 13.0.5 Fixed in Safari 13.0.5 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 13.0.5VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 13.3.1VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.3.1VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 13.0.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.3.1 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 13.3.1 and iPadOS 13.3.1
  • Fix · CNA Safari (Apple) Fixed in Safari 13.0.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Apple iOS iOS 13.3.1 and iPadOS 13.3.1

    25 records Highest priority Priority CRITICAL 1 CRITICAL, 2 MEDIUM, 22 LOW

    Other records, highest priority first

  • Release ·

    Apple Safari Safari 13.0.5

    3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW

    Other records, highest priority first

    • TI-2020-03328 Out-of-bounds write in Apple iOSPriority MEDIUM 41
    • TI-2020-03335 Apple Safari: Visiting a malicious website may lead to address bar spoofingPriority LOW 21

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3841
  2. 2026-10-03 Alias added: GHSA-237h-5fc4-8x3g

References

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources