CVE-2004-1521 的 EPSS 分數歷史，展示風險變化與利用機率趨勢，支援漏洞優先級與安全分析。
| # | 日期 | 舊 EPSS 分數 | 新 EPSS 分數 | 變化（新 − 舊） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 3.45% | 1.72% | -1.72% |
| 2 | 2025-03-30 | 4.64% | 3.45% | -1.19% |
| 3 | 2025-03-29 | 3.45% | 4.64% | +1.19% |
| 4 | 2025-03-17 | 3.35% | 3.45% | +0.10% |
| 5 | 2024-12-17 | 3.62% | 3.35% | -0.27% |
| 6 | 2024-08-27 | 3.89% | 3.62% | -0.27% |
| 7 | 2024-01-27 | 5.85% | 3.89% | -1.96% |
| 8 | 2023-03-07 | 4.19% | 5.85% | +1.66% |
| 9 | 2022-02-04 | — | 4.19% | — |