Security readout for executives and security teams
A very old flaw in Hewlett-Packard's HP-UX Unix operating system (version 11.0 and earlier) let a person who already had a local account trick the Character-Terminal User Environment (CUE) tool into overwriting protected system files and taking full administrator (root) control of the machine. It required local access, not remote access, and only affects legacy HP-UX systems that most organizations retired long ago. Exposure is limited to legacy HP-UX 11.0 and earlier systems where CUE is installed and an attacker already has local shell access. Modern enterprises are highly unlikely to still run these platforms in production. Any residual risk lives on unsupported industrial, lab, or archival HP-UX hosts that survived decommissioning. Low priority for most modern environments because the flaw only affects legacy HP-UX systems and requires local access. Treat as elevated priority only if HP-UX 11.0 or earlier remains in the estate; in that case, fold remediation into a broader legacy-platform retirement plan. Mitigation focus: Apply the HP-issued patch referenced in HPSBUX9801-074 if any HP-UX 11.0 or earlier system remains in use.; Retire or isolate remaining legacy HP-UX hosts; migrate workloads to a supported OS.; Restrict interactive local access on affected hosts to trusted administrators only..
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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CVE-1999-1139 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
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Source materials
- CVE List V5 sourceCVE List V5
Products and packages named in the record
CWE details
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