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TI-1999-01490 Aliases CVE-1999-1543GHSA-4cvf-99qg-vwq4

MacOS uses weak encryption for passwords that are stored in the Users & Groups Data File.

Priority LOW 23Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA.

Summary

MacOS uses weak encryption for passwords that are stored in the Users & Groups Data File.

Why it matters now

EPSS 0.00827 57th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:o:apple:macos:7.5.3:*:*:*:*:*:*:*7.5.3VulnerableApple
cpe:2.3:o:apple:macos:7.6:*:*:*:*:*:*:*7.6VulnerableApple
cpe:2.3:o:apple:macos:7.6.1:*:*:*:*:*:*:*7.6.1VulnerableApple
cpe:2.3:o:apple:macos:8.0:*:*:*:*:*:*:*8.0VulnerableApple
cpe:2.3:o:apple:macos:8.1:*:*:*:*:*:*:*8.1VulnerableApple
cpe:2.3:o:apple:macos:8.5:*:*:*:*:*:*:*8.5VulnerableApple
cpe:2.3:o:apple:macos:8.6:*:*:*:*:*:*:*8.6VulnerableApple
  • cpe:2.3:o:apple:macos:7.5.3:*:*:*:*:*:*:* Versions 7.5.3 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:7.6.1:*:*:*:*:*:*:* Versions 7.6.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:8.5:*:*:*:*:*:*:* Versions 8.5 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-1999-1543
  2. 2026-10-03 Alias added: GHSA-4cvf-99qg-vwq4

References

Other 2

  • TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
  • 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
See all 3490 →

Sources

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