CVE-2017-20021 的 EPSS 分数历史，展示风险变化与利用概率趋势，支持漏洞优先级与安全分析。
| # | 日期 | 旧 EPSS 分数 | 新 EPSS 分数 | 变化（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-26 | 0.94% | 0.97% | +0.02% |
| 2 | 2026-06-15 | 0.36% | 0.94% | +0.58% |
| 3 | 2025-06-18 | 0.34% | 0.36% | +0.01% |
| 4 | 2025-06-11 | 0.06% | 0.34% | +0.29% |
| 5 | 2025-03-17 | 0.37% | 0.06% | -0.32% |
| 6 | 2025-01-13 | 0.25% | 0.37% | +0.12% |
| 7 | 2023-07-12 | 0.22% | 0.25% | +0.03% |
| 8 | 2023-06-16 | 0.11% | 0.22% | +0.12% |
| 9 | 2023-03-07 | 0.89% | 0.11% | -0.78% |
| 10 | 2022-06-10 | — | 0.89% | — |