Unknown vulnerability in the file system protection subsystem in HP Secure OS Software for Linux 1.0 allows additional user privileges on some files beyond what is specified in the file system protection rules, which allows local users to conduct unauthorized operations on restricted files.
Conclusion & alert: CVE-2001-1506 is rated Low Risk (33.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.55%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.07% | 0.55% | +0.48% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.02% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |