CVE-2021-34621 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 | 93.48% | 68.86% | -24.62% |
| 2 | 2026-04-16 | 93.59% | 93.48% | -0.11% |
| 3 | 2026-03-04 | 93.50% | 93.59% | +0.08% |
| 4 | 2026-03-01 | 93.59% | 93.50% | -0.08% |
| 5 | 2026-02-13 | 92.77% | 93.59% | +0.82% |
| 6 | 2026-02-04 | 92.55% | 92.77% | +0.22% |
| 7 | 2026-02-01 | 92.77% | 92.55% | -0.22% |
| 8 | 2026-01-04 | 92.55% | 92.77% | +0.22% |
| 9 | 2026-01-01 | 92.77% | 92.55% | -0.22% |
| 10 | 2025-12-04 | 92.55% | 92.77% | +0.22% |
| 11 | 2025-12-01 | 92.77% | 92.55% | -0.22% |
| 12 | 2025-11-21 | 80.82% | 92.77% | +11.95% |
| 13 | 2025-11-18 | 92.77% | 80.82% | -11.95% |
| 14 | 2025-11-04 | 92.55% | 92.77% | +0.22% |
| 15 | 2025-11-01 | 92.77% | 92.55% | -0.22% |
| 16 | 2025-10-09 | 91.15% | 92.77% | +1.62% |
| 17 | 2025-10-04 | 90.73% | 91.15% | +0.42% |
| 18 | 2025-10-01 | 91.15% | 90.73% | -0.42% |
| 19 | 2025-09-04 | 90.73% | 91.15% | +0.42% |
| 20 | 2025-09-01 | 91.15% | 90.73% | -0.42% |
| 21 | 2025-08-04 | 90.73% | 91.15% | +0.42% |
| 22 | 2025-08-01 | 91.15% | 90.73% | -0.42% |
| 23 | 2025-07-04 | 90.73% | 91.15% | +0.42% |
| 24 | 2025-07-01 | 91.15% | 90.73% | -0.42% |
| 25 | 2025-06-04 | 90.73% | 91.15% | +0.42% |
| 26 | 2025-06-01 | 91.15% | 90.73% | -0.42% |
| 27 | 2025-05-04 | 90.73% | 91.15% | +0.42% |
| 28 | 2025-05-01 | 91.15% | 90.73% | -0.42% |
| 29 | 2025-03-30 | 92.48% | 91.15% | -1.32% |
| 30 | 2025-03-29 | 91.15% | 92.48% | +1.32% |
| 31 | 2025-03-28 | 91.63% | 91.15% | -0.48% |
| 32 | 2025-03-27 | 91.41% | 91.63% | +0.22% |
| 33 | 2025-03-26 | 91.15% | 91.41% | +0.26% |
| 34 | 2025-03-24 | 91.41% | 91.15% | -0.26% |
| 35 | 2025-03-23 | 91.15% | 91.41% | +0.26% |
| 36 | 2025-03-20 | 91.41% | 91.15% | -0.26% |
| 37 | 2025-03-19 | 91.15% | 91.41% | +0.26% |
| 38 | 2025-03-17 | 90.12% | 91.15% | +1.03% |
| 39 | 2025-03-06 | 91.02% | 90.12% | -0.90% |
| 40 | 2024-12-27 | 89.08% | 91.02% | +1.93% |
| 41 | 2024-12-17 | 80.93% | 89.08% | +8.15% |
| 42 | 2024-12-10 | 77.59% | 80.93% | +3.34% |
| 43 | 2024-11-24 | 77.92% | 77.59% | -0.33% |
| 44 | 2024-10-23 | 75.25% | 77.92% | +2.67% |
| 45 | 2024-08-29 | 78.26% | 75.25% | -3.01% |
| 46 | 2024-07-31 | 77.27% | 78.26% | +0.99% |
| 47 | 2024-05-20 | 74.51% | 77.27% | +2.76% |
| 48 | 2024-04-23 | 78.64% | 74.51% | -4.13% |
| 49 | 2024-04-08 | 80.90% | 78.64% | -2.26% |
| 50 | 2024-03-13 | 79.96% | 80.90% | +0.94% |
| 51 | 2024-02-08 | 78.88% | 79.96% | +1.08% |
| 52 | 2023-09-29 | 79.77% | 78.88% | -0.89% |
| 53 | 2023-03-07 | 8.38% | 79.77% | +71.39% |
| 54 | 2022-11-15 | 0.89% | 8.38% | +7.50% |
| 55 | 2022-07-15 | 8.38% | 0.89% | -7.50% |
| 56 | 2022-04-01 | 38.46% | 8.38% | -30.08% |
| 57 | 2022-02-04 | 2.74% | 38.46% | +35.72% |
| 58 | 2021-09-01 | 0.42% | 2.74% | +2.33% |
| 59 | 2021-07-08 | — | 0.42% | — |