EPSS score history for CVE-2021-20039, showing historical risk changes and exploitation probability trends for vulnerability prioritization and security analysis.
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 82.46% | 78.11% | -4.35% |
| 2 | 2025-12-12 | 57.82% | 82.46% | +24.64% |
| 3 | 2025-11-21 | 76.82% | 57.82% | -19.00% |
| 4 | 2025-11-18 | 58.57% | 76.82% | +18.25% |
| 5 | 2025-09-11 | 61.51% | 58.57% | -2.94% |
| 6 | 2025-09-09 | 62.00% | 61.51% | -0.48% |
| 7 | 2025-09-06 | 55.54% | 62.00% | +6.46% |
| 8 | 2025-08-16 | 53.65% | 55.54% | +1.88% |
| 9 | 2025-06-10 | 56.76% | 53.65% | -3.10% |
| 10 | 2025-05-17 | 59.23% | 56.76% | -2.47% |
| 11 | 2025-05-16 | 67.00% | 59.23% | -7.78% |
| 12 | 2025-05-10 | 80.30% | 67.00% | -13.29% |
| 13 | 2025-05-09 | 67.98% | 80.30% | +12.31% |
| 14 | 2025-05-08 | 64.27% | 67.98% | +3.71% |
| 15 | 2025-04-10 | 60.20% | 64.27% | +4.07% |
| 16 | 2025-04-07 | 67.98% | 60.20% | -7.79% |
| 17 | 2025-03-30 | 79.94% | 67.98% | -11.96% |
| 18 | 2025-03-29 | 67.98% | 79.94% | +11.96% |
| 19 | 2025-03-19 | 67.16% | 67.98% | +0.82% |
| 20 | 2025-03-17 | 72.59% | 67.16% | -5.43% |
| 21 | 2025-03-11 | 82.98% | 72.59% | -10.38% |
| 22 | 2025-02-08 | 84.13% | 82.98% | -1.15% |
| 23 | 2025-01-10 | 80.04% | 84.13% | +4.09% |
| 24 | 2024-12-25 | 80.41% | 80.04% | -0.38% |
| 25 | 2024-12-17 | 79.34% | 80.41% | +1.07% |
| 26 | 2024-11-26 | 68.95% | 79.34% | +10.39% |
| 27 | 2024-10-30 | 70.71% | 68.95% | -1.76% |
| 28 | 2024-10-16 | 67.75% | 70.71% | +2.96% |
| 29 | 2024-08-23 | 65.69% | 67.75% | +2.06% |
| 30 | 2024-07-02 | 68.92% | 65.69% | -3.24% |
| 31 | 2024-05-22 | 65.69% | 68.92% | +3.24% |
| 32 | 2024-05-09 | 67.93% | 65.69% | -2.24% |
| 33 | 2024-03-29 | 67.03% | 67.93% | +0.90% |
| 34 | 2024-03-01 | 69.20% | 67.03% | -2.17% |
| 35 | 2024-02-15 | 76.40% | 69.20% | -7.21% |
| 36 | 2024-01-18 | 71.10% | 76.40% | +5.30% |
| 37 | 2023-12-22 | 71.70% | 71.10% | -0.60% |
| 38 | 2023-12-05 | 78.84% | 71.70% | -7.15% |
| 39 | 2023-11-23 | 79.85% | 78.84% | -1.01% |
| 40 | 2023-11-07 | 85.93% | 79.85% | -6.08% |
| 41 | 2023-10-11 | 89.30% | 85.93% | -3.36% |
| 42 | 2023-09-12 | 91.34% | 89.30% | -2.05% |
| 43 | 2023-08-13 | 91.88% | 91.34% | -0.54% |
| 44 | 2023-07-30 | 90.30% | 91.88% | +1.58% |
| 45 | 2023-07-01 | 91.04% | 90.30% | -0.74% |
| 46 | 2023-04-24 | 90.63% | 91.04% | +0.41% |
| 47 | 2023-04-11 | 90.13% | 90.63% | +0.51% |
| 48 | 2023-03-07 | 22.49% | 90.13% | +67.64% |
| 49 | 2022-04-01 | 34.06% | 22.49% | -11.57% |
| 50 | 2022-02-04 | 20.77% | 34.06% | +13.29% |
| 51 | 2022-01-14 | 14.84% | 20.77% | +5.93% |
| 52 | 2022-01-13 | 2.30% | 14.84% | +12.54% |
| 53 | 2022-01-06 | 0.52% | 2.30% | +1.78% |
| 54 | 2021-12-09 | — | 0.52% | — |