EPSS score history for CVE-2021-20109, 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 | 2.52% | 1.38% | -1.14% |
| 2 | 2026-04-18 | 2.79% | 2.52% | -0.27% |
| 3 | 2025-03-30 | 2.18% | 2.79% | +0.61% |
| 4 | 2025-03-29 | 2.79% | 2.18% | -0.61% |
| 5 | 2025-03-17 | 0.14% | 2.79% | +2.65% |
| 6 | 2024-12-17 | 0.29% | 0.14% | -0.15% |
| 7 | 2024-02-23 | 0.25% | 0.29% | +0.05% |
| 8 | 2023-03-07 | 0.89% | 0.25% | -0.64% |
| 9 | 2022-04-01 | 4.50% | 0.89% | -3.61% |
| 10 | 2022-02-04 | 1.84% | 4.50% | +2.66% |
| 11 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 12 | 2021-07-20 | — | 0.42% | — |