EPSS score history for CVE-2020-21999, 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 | 20.29% | 5.24% | -15.04% |
| 2 | 2025-11-21 | 17.76% | 20.29% | +2.53% |
| 3 | 2025-11-18 | 20.29% | 17.76% | -2.53% |
| 4 | 2025-10-16 | 16.45% | 20.29% | +3.83% |
| 5 | 2025-09-25 | 12.89% | 16.45% | +3.56% |
| 6 | 2025-03-30 | 11.76% | 12.89% | +1.13% |
| 7 | 2025-03-29 | 12.89% | 11.76% | -1.13% |
| 8 | 2025-03-17 | 32.41% | 12.89% | -19.52% |
| 9 | 2025-02-21 | 29.12% | 32.41% | +3.28% |
| 10 | 2025-02-03 | 29.89% | 29.12% | -0.77% |
| 11 | 2025-01-19 | 28.31% | 29.89% | +1.58% |
| 12 | 2025-01-01 | 27.37% | 28.31% | +0.94% |
| 13 | 2024-12-17 | 14.89% | 27.37% | +12.48% |
| 14 | 2024-12-16 | 17.10% | 14.89% | -2.21% |
| 15 | 2024-11-29 | 24.29% | 17.10% | -7.19% |
| 16 | 2024-10-24 | 21.10% | 24.29% | +3.18% |
| 17 | 2024-10-07 | 18.58% | 21.10% | +2.52% |
| 18 | 2024-09-21 | 12.26% | 18.58% | +6.32% |
| 19 | 2024-09-06 | 12.81% | 12.26% | -0.55% |
| 20 | 2024-08-20 | 10.93% | 12.81% | +1.88% |
| 21 | 2024-07-21 | 6.83% | 10.93% | +4.10% |
| 22 | 2024-07-05 | 6.07% | 6.83% | +0.76% |
| 23 | 2024-06-06 | 5.46% | 6.07% | +0.61% |
| 24 | 2024-05-21 | 4.29% | 5.46% | +1.17% |
| 25 | 2024-04-09 | 5.08% | 4.29% | -0.79% |
| 26 | 2024-03-26 | 4.20% | 5.08% | +0.88% |
| 27 | 2024-03-12 | 4.53% | 4.20% | -0.33% |
| 28 | 2024-02-28 | 3.61% | 4.53% | +0.92% |
| 29 | 2024-02-13 | 3.69% | 3.61% | -0.09% |
| 30 | 2024-02-01 | 2.94% | 3.69% | +0.76% |
| 31 | 2023-12-09 | 2.13% | 2.94% | +0.81% |
| 32 | 2023-11-27 | 1.46% | 2.13% | +0.67% |
| 33 | 2023-10-31 | 1.39% | 1.46% | +0.06% |
| 34 | 2023-10-17 | 1.05% | 1.39% | +0.34% |
| 35 | 2023-09-20 | 0.91% | 1.05% | +0.14% |
| 36 | 2023-05-18 | 0.74% | 0.91% | +0.17% |
| 37 | 2023-04-03 | 0.37% | 0.74% | +0.37% |
| 38 | 2023-03-07 | 7.31% | 0.37% | -6.94% |
| 39 | 2022-11-15 | 2.05% | 7.31% | +5.25% |
| 40 | 2022-07-15 | 7.31% | 2.05% | -5.25% |
| 41 | 2022-04-01 | 21.25% | 7.31% | -13.94% |
| 42 | 2022-02-04 | 4.73% | 21.25% | +16.52% |
| 43 | 2021-05-06 | 1.09% | 4.73% | +3.64% |
| 44 | 2021-05-05 | — | 1.09% | — |