Security readout for executives and security teams
Some MacOS systems stored user passwords in a Users & Groups Data File protected by weak encryption. If an attacker can obtain that file, the stored passwords may be less protected than expected. The source bundle does not identify affected versions or a vendor fix. Exposure is most plausible on legacy MacOS deployments that use the referenced Users & Groups Data File. The source bundle lists affected product and version data as unavailable, so exposure cannot be reliably scoped from these sources alone. Low immediate urgency unless legacy MacOS systems remain in business use. The main risk is credential exposure from obsolete local password storage, but source evidence is too incomplete to assign a precise business impact. Mitigation focus: Inventory any legacy MacOS systems that may use the Users & Groups Data File.; Check Apple or historical vendor guidance for confirmed affected versions and fixes.; Prioritize replacement or retirement where affected systems cannot be verified or supported..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-1999-1543 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
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CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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