CVE-2021-2021 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 | 2026-06-20 | 10.09% | 10.01% | -0.08% |
| 2 | 2026-06-15 | 51.80% | 10.09% | -41.71% |
| 3 | 2025-12-28 | 52.05% | 51.80% | -0.25% |
| 4 | 2025-12-27 | 51.80% | 52.05% | +0.25% |
| 5 | 2025-11-21 | 45.77% | 51.80% | +6.03% |
| 6 | 2025-11-18 | 51.80% | 45.77% | -6.03% |
| 7 | 2025-10-28 | 52.05% | 51.80% | -0.25% |
| 8 | 2025-10-27 | 51.80% | 52.05% | +0.25% |
| 9 | 2025-10-01 | 52.05% | 51.80% | -0.25% |
| 10 | 2025-07-30 | 51.80% | 52.05% | +0.25% |
| 11 | 2025-06-03 | 54.27% | 51.80% | -2.47% |
| 12 | 2025-03-30 | 74.76% | 54.27% | -20.48% |
| 13 | 2025-03-29 | 54.27% | 74.76% | +20.48% |
| 14 | 2025-03-28 | 74.76% | 54.27% | -20.48% |
| 15 | 2025-03-27 | 54.27% | 74.76% | +20.48% |
| 16 | 2025-03-20 | 74.76% | 54.27% | -20.48% |
| 17 | 2025-03-19 | 54.27% | 74.76% | +20.48% |
| 18 | 2025-03-17 | 0.17% | 54.27% | +54.11% |
| 19 | 2023-03-07 | 0.95% | 0.17% | -0.78% |
| 20 | 2022-04-01 | 6.73% | 0.95% | -5.78% |
| 21 | 2022-02-04 | 5.36% | 6.73% | +1.36% |
| 22 | 2022-01-06 | 1.25% | 5.36% | +4.12% |
| 23 | 2021-10-11 | 5.36% | 1.25% | -4.12% |
| 24 | 2021-06-05 | 1.25% | 5.36% | +4.12% |
| 25 | 2021-05-27 | 1.04% | 1.25% | +0.21% |
| 26 | 2021-04-14 | — | 1.04% | — |