CVE-2021-31321 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 | 0.18% | 1.10% | +0.92% |
| 2 | 2026-02-24 | 0.66% | 0.18% | -0.48% |
| 3 | 2026-02-23 | 0.31% | 0.66% | +0.35% |
| 4 | 2026-02-18 | 0.17% | 0.31% | +0.14% |
| 5 | 2025-06-08 | 0.31% | 0.17% | -0.14% |
| 6 | 2025-03-17 | 0.15% | 0.31% | +0.16% |
| 7 | 2024-12-17 | 0.12% | 0.15% | +0.03% |
| 8 | 2023-03-07 | 1.05% | 0.12% | -0.93% |
| 9 | 2022-04-01 | 1.40% | 1.05% | -0.35% |
| 10 | 2022-02-04 | 3.43% | 1.40% | -2.02% |
| 11 | 2022-01-06 | 0.78% | 3.43% | +2.64% |
| 12 | 2021-06-09 | 3.43% | 0.78% | -2.64% |
| 13 | 2021-05-19 | — | 3.43% | — |