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TI-2020-08007 Aliases CVE-2020-9934GHSA-x5m3-93g8-f3rh

An issue existed in the handling of environment variables.

Priority HIGH 82Exploited in the wildPublished · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

An issue existed in the handling of environment variables. This issue was addressed with improved validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6. A local user may be able to view sensitive user information.

Why it matters now

Exploitation Active In CISA KEV since 2022-09-08CISA due date 2022-09-29
EPSS 0.03208 88th percentileScored 2026-11-07
Fix Fixed iOS (Apple): iOS 13.6 and iPadOS 13.6macOS (Apple): macOS Catalina 10.15.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
AppleiOSbefore iOS 13.6 and iPadOS 13.6iOS 13.6 and iPadOS 13.6Patch availableCNA
ApplemacOSbefore macOS Catalina 10.15.6macOS Catalina 10.15.6Patch availableCNA
  • iOS VendorApple Affected before iOS 13.6 and iPadOS 13.6 Fixed in iOS 13.6 and iPadOS 13.6 Patch available CNA
  • macOS VendorApple Affected before macOS Catalina 10.15.6 Fixed in macOS Catalina 10.15.6 Patch available CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 13.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 13.6VulnerableApple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*before 10.15.6VulnerableApple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 13.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 13.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.6 Vulnerable ·Apple

Remediation

  • Fix · CNA iOS (Apple) Fixed in iOS 13.6 and iPadOS 13.6
  • Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15.6

Fixed in the same release

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

  • Release ·

    Apple iOS iOS 13.6 and iPadOS 13.6

    28 records Highest priority Priority CRITICAL 1 CRITICAL, 1 HIGH, 4 MEDIUM, 22 LOW

    Other records, highest priority first

    Show all 28 records →
  • Release ·

    Apple macOS macOS Catalina 10.15.6

    15 records Highest priority Priority HIGH 1 HIGH, 3 MEDIUM, 11 LOW

    Other records, highest priority first

    • TI-2020-07991 Out-of-bounds read in Apple macOSPriority MEDIUM 48
    • TI-2020-07940 Apple macOS: An application may be able to execute arbitrary code with kernel privilegesPriority MEDIUM 47
    • TI-2020-07945 Improper input validation in Apple iOSPriority MEDIUM 42
    Show all 15 records →

Timeline

  1. 2022-09-08 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2020-9934
  3. 2026-10-03 Alias added: GHSA-x5m3-93g8-f3rh

References

Advisory 2

  • 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