CVE-2021-28321 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 | 0.85% | 1.28% | +0.43% |
| 2 | 2026-06-10 | 1.08% | 0.85% | -0.23% |
| 3 | 2025-11-21 | 0.77% | 1.08% | +0.32% |
| 4 | 2025-11-18 | 1.11% | 0.77% | -0.34% |
| 5 | 2025-03-30 | 5.01% | 1.11% | -3.90% |
| 6 | 2025-03-29 | 1.11% | 5.01% | +3.90% |
| 7 | 2025-03-25 | 0.98% | 1.11% | +0.12% |
| 8 | 2025-03-17 | 3.52% | 0.98% | -2.54% |
| 9 | 2025-03-04 | 4.57% | 3.52% | -1.05% |
| 10 | 2025-02-15 | 2.56% | 4.57% | +2.00% |
| 11 | 2024-12-17 | 0.06% | 2.56% | +2.51% |
| 12 | 2023-12-28 | 0.05% | 0.06% | +0.01% |
| 13 | 2023-03-07 | 1.18% | 0.05% | -1.14% |
| 14 | 2022-04-01 | 1.41% | 1.18% | -0.23% |
| 15 | 2022-02-04 | 30.10% | 1.41% | -28.69% |
| 16 | 2022-01-06 | 8.76% | 30.10% | +21.34% |
| 17 | 2021-04-21 | 6.70% | 8.76% | +2.05% |
| 18 | 2021-04-20 | 4.56% | 6.70% | +2.14% |
| 19 | 2021-04-17 | 4.56% | 4.56% | +0.00% |
| 20 | 2021-04-16 | 0.42% | 4.56% | +4.14% |
| 21 | 2021-04-14 | — | 0.42% | — |