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TI-2020-17002 Aliases CVE-2020-27948GHSA-jvx2-54p6-r6w3

Out-of-bounds write in Apple iOS and iPadOS

Priority LOW 36CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, tvOS 14.3. Processing a maliciously crafted audio file may lead to arbitrary code execution.

Why it matters now

EPSS 0.01039 64th percentileScored 2026-11-07
Fix Fixed iOS and iPadOS (Apple): 14.3tvOS (Apple): 14.3+2 more products

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOS and iPadOSbefore 14.314.3Patch availableCNA
AppletvOSbefore 14.314.3Patch availableCNA
ApplewatchOSbefore 7.27.2Patch availableCNA
ApplemacOSbefore 11.111.1Patch availableCNA
  • iOS and iPadOS VendorApple Affected before 14.3 Fixed in 14.3 Patch available CNA
  • tvOS VendorApple Affected before 14.3 Fixed in 14.3 Patch available CNA
  • watchOS VendorApple Affected before 7.2 Fixed in 7.2 Patch available CNA
  • macOS VendorApple Affected before 11.1 Fixed in 11.1 Patch available CNA

CPE configurations NVD · 21

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 14.3VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 14.3VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*10.14 to before 10.14.6; 10.15 to before 10.15.7VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*10.14.6VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*10.14.6 security_update_2019-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*10.14.6 security_update_2019-002VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*10.14.6 security_update_2019-006VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*10.14.6 security_update_2019-007VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*10.14.6 security_update_2020-001VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*10.14.6 security_update_2020-002VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions 10.14 to before 10.14.6; 10.15 to before 10.15.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:* Versions 10.14.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:* Versions 10.14.6 security_update_2019-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:* Versions 10.14.6 security_update_2019-002 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:* Versions 10.14.6 security_update_2019-006 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:* Versions 10.14.6 security_update_2019-007 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:* Versions 10.14.6 security_update_2020-001 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:* Versions 10.14.6 security_update_2020-002 Vulnerable ·Apple
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*10.14.6 security_update_2020-003VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*10.14.6 security_update_2020-004VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*10.14.6 security_update_2020-005VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*10.14.6 security_update_2020-006VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*10.14.6 supplemental_updateVulnerableApple
cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*10.14.6 supplemental_update_2VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*10.15.7VulnerableApple
cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*10.15.7 supplemental_updateVulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*11.0 to before 11.1.0VulnerableApple
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*before 14.3VulnerableApple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*before 7.2VulnerableApple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:* Versions 10.14.6 security_update_2020-003 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:* Versions 10.14.6 security_update_2020-004 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:* Versions 10.14.6 security_update_2020-005 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:* Versions 10.14.6 security_update_2020-006 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:* Versions 10.14.6 supplemental_update Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:* Versions 10.14.6 supplemental_update_2 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:* Versions 10.15.7 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:* Versions 10.15.7 supplemental_update Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions 11.0 to before 11.1.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.2 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS and iPadOS (Apple) Fixed in 14.3
  • Fix · CNA tvOS (Apple) Fixed in 14.3
  • Fix · CNA watchOS (Apple) Fixed in 7.2
  • Fix · CNA macOS (Apple) Fixed in 11.1

Fixed in the same release

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

  • Release ·

    Apple macOS 11.1

    48 records Highest priority Priority MEDIUM 2 MEDIUM, 46 LOW

    Other records, highest priority first

    • TI-2020-16976 Use after free in Apple watchOSPriority MEDIUM 41
    • TI-2020-17807 Apple macOS: An attacker in a privileged network position may be able to bypass…Priority MEDIUM 40
    • TI-2020-08038 Out-of-bounds write in Apple tvOSPriority LOW 39
    Show all 48 records →
  • Release ·

    Apple iOS and iPadOS 14.3

    16 records Highest priority Priority LOW 16 LOW

    Other records, highest priority first

    • TI-2020-17804 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17799 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17798 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    Show all 16 records →
Show 2 more groups
  • Release ·

    Apple tvOS 14.3

    14 records Highest priority Priority LOW 14 LOW

    Other records, highest priority first

    • TI-2020-17804 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17799 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17798 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    Show all 14 records →
  • Release ·

    Apple watchOS 7.2

    13 records Highest priority Priority LOW 13 LOW

    Other records, highest priority first

    • TI-2020-17804 Out-of-bounds write in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17799 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    • TI-2020-17798 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
    Show all 13 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27948
  2. 2026-10-03 Alias added: GHSA-jvx2-54p6-r6w3

References

Advisory 4

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences