CVE-2020-15921 の EPSS スコア履歴で、リスクの推移と悪用確率の変化を示します。優先度付けとセキュリティ分析に利用できます。
| # | 日付 | 旧 EPSS スコア | 新 EPSS スコア | Δ（新 − 旧） |
|---|---|---|---|---|
| 1 | 2026-06-15 | 18.42% | 18.29% | -0.12% |
| 2 | 2026-04-15 | 18.50% | 18.42% | -0.09% |
| 3 | 2026-03-02 | 19.81% | 18.50% | -1.31% |
| 4 | 2026-01-06 | 18.99% | 19.81% | +0.82% |
| 5 | 2025-11-21 | 32.08% | 18.99% | -13.09% |
| 6 | 2025-11-18 | 18.99% | 32.08% | +13.09% |
| 7 | 2025-08-22 | 17.72% | 18.99% | +1.27% |
| 8 | 2025-06-14 | 15.86% | 17.72% | +1.87% |
| 9 | 2025-03-30 | 31.45% | 15.86% | -15.60% |
| 10 | 2025-03-29 | 15.86% | 31.45% | +15.60% |
| 11 | 2025-03-24 | 24.05% | 15.86% | -8.19% |
| 12 | 2025-03-23 | 15.86% | 24.05% | +8.19% |
| 13 | 2025-03-17 | 5.70% | 15.86% | +10.16% |
| 14 | 2025-03-09 | 6.66% | 5.70% | -0.96% |
| 15 | 2025-01-20 | 6.24% | 6.66% | +0.42% |
| 16 | 2024-12-20 | 5.94% | 6.24% | +0.29% |
| 17 | 2024-11-17 | 3.91% | 5.94% | +2.04% |
| 18 | 2024-06-14 | 2.79% | 3.91% | +1.11% |
| 19 | 2024-05-13 | 2.60% | 2.79% | +0.19% |
| 20 | 2024-04-10 | 2.33% | 2.60% | +0.27% |
| 21 | 2024-03-23 | 1.76% | 2.33% | +0.57% |
| 22 | 2023-12-27 | 1.69% | 1.76% | +0.07% |
| 23 | 2023-06-15 | 1.39% | 1.69% | +0.30% |
| 24 | 2023-04-08 | 1.29% | 1.39% | +0.11% |
| 25 | 2023-03-07 | 5.08% | 1.29% | -3.79% |
| 26 | 2022-04-01 | 23.86% | 5.08% | -18.78% |
| 27 | 2022-02-04 | 4.73% | 23.86% | +19.13% |
| 28 | 2021-04-14 | — | 4.73% | — |