CVE-2021-21821 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 | 1.18% | 1.96% | +0.78% |
| 2 | 2025-04-21 | 0.42% | 1.18% | +0.76% |
| 3 | 2025-03-30 | 1.00% | 0.42% | -0.58% |
| 4 | 2025-03-29 | 0.42% | 1.00% | +0.58% |
| 5 | 2025-03-17 | 1.13% | 0.42% | -0.71% |
| 6 | 2025-02-19 | 0.86% | 1.13% | +0.27% |
| 7 | 2024-11-10 | 0.57% | 0.86% | +0.29% |
| 8 | 2024-06-13 | 0.54% | 0.57% | +0.03% |
| 9 | 2024-05-30 | 0.39% | 0.54% | +0.15% |
| 10 | 2024-04-18 | 0.28% | 0.39% | +0.11% |
| 11 | 2023-03-07 | 1.09% | 0.28% | -0.81% |
| 12 | 2023-02-23 | 15.36% | 1.09% | -14.28% |
| 13 | 2022-12-30 | 1.09% | 15.36% | +14.28% |
| 14 | 2022-08-25 | 1.04% | 1.09% | +0.05% |
| 15 | 2022-04-01 | 2.76% | 1.04% | -1.73% |
| 16 | 2022-02-04 | 3.20% | 2.76% | -0.43% |
| 17 | 2022-01-06 | 0.73% | 3.20% | +2.47% |
| 18 | 2021-07-09 | — | 0.73% | — |