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TI-2020-03383 Aliases CVE-2020-3883GHSA-4mg3-gxr4-976w

Apple iOS: An application may be able to use arbitrary entitlements

Priority MEDIUM 40Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

This issue was addressed with improved checks. This issue is fixed in iOS 13.4 and iPadOS 13.4, macOS Catalina 10.15.4, tvOS 13.4, watchOS 6.2. An application may be able to use arbitrary entitlements.

Why it matters now

EPSS 0.01036 64th percentileScored 2026-11-07
Fix Fixed iOS (Apple): iOS 13.4 and iPadOS 13.4macOS (Apple): macOS Catalina 10.15.4+2 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 13.4 and iPadOS 13.4iOS 13.4 and iPadOS 13.4Patch availableCNA
ApplemacOSbefore macOS Catalina 10.15.4macOS Catalina 10.15.4Patch availableCNA
AppletvOSbefore tvOS 13.4tvOS 13.4Patch availableCNA
ApplewatchOSbefore watchOS 6.2watchOS 6.2Patch availableCNA
  • iOS VendorApple Affected before iOS 13.4 and iPadOS 13.4 Fixed in iOS 13.4 and iPadOS 13.4 Patch available CNA
  • macOS VendorApple Affected before macOS Catalina 10.15.4 Fixed in macOS Catalina 10.15.4 Patch available CNA
  • tvOS VendorApple Affected before tvOS 13.4 Fixed in tvOS 13.4 Patch available CNA
  • watchOS VendorApple Affected before watchOS 6.2 Fixed in watchOS 6.2 Patch available CNA

CPE configurations NVD · 5

CPEVersionsRoleVendor
cpe:2.3:a:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.4VulnerableApple
cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*before 13.4VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.4VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 13.4VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 6.2VulnerableApple
  • cpe:2.3:a:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:* Versions before 13.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13.4 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 6.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 13.4 and iPadOS 13.4
  • Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.4
  • Fix · CNA tvOS (Apple) Fixed in tvOS 13.4
  • Fix · CNA watchOS (Apple) Fixed in watchOS 6.2

Fixed in the same release

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

  • Release ·

    Apple iOS iOS 13.4 and iPadOS 13.4

    29 records Highest priority Priority MEDIUM 10 MEDIUM, 19 LOW

    Other records, highest priority first

  • Release ·

    Apple macOS macOS Catalina 10.15.4

    22 records Highest priority Priority MEDIUM 5 MEDIUM, 17 LOW

    Other records, highest priority first

Show 2 more groups
  • Release ·

    Apple tvOS tvOS 13.4

    19 records Highest priority Priority MEDIUM 10 MEDIUM, 9 LOW

    Other records, highest priority first

  • Release ·

    Apple watchOS watchOS 6.2

    17 records Highest priority Priority MEDIUM 9 MEDIUM, 8 LOW

    Other records, highest priority first

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-3883
  2. 2026-10-03 Alias added: GHSA-4mg3-gxr4-976w

References

  • TI-2022-06888 Use after free in Apple Safari CVSS 3.1HIGH 8.8
  • TI-2022-06876 Out-of-bounds write in Apple Safari CVSS 3.1HIGH 8.8
  • TI-2024-15360 Incorrect authorization in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.1
  • TI-2021-01529 Apple iOS and iPadOS: A remote attacker may be able to cause unexpected application… CVSS 3.1CRITICAL 9.8
  • TI-2021-01509 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
  • TI-2021-01508 Out-of-bounds write in Apple iOS and iPadOS CVSS 3.1CRITICAL 9.8
See all 88 →

Sources