EPSS score history for CVE-2009-4820, 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 | 5.02% | 2.46% | -2.57% |
| 2 | 2025-08-01 | 2.72% | 5.02% | +2.30% |
| 3 | 2025-03-30 | 6.59% | 2.72% | -3.87% |
| 4 | 2025-03-29 | 2.72% | 6.59% | +3.87% |
| 5 | 2025-03-19 | 2.06% | 2.72% | +0.65% |
| 6 | 2025-03-17 | 1.06% | 2.06% | +1.00% |
| 7 | 2024-12-17 | 0.89% | 1.06% | +0.17% |
| 8 | 2024-12-05 | 0.79% | 0.89% | +0.11% |
| 9 | 2024-10-25 | 0.60% | 0.79% | +0.18% |
| 10 | 2024-03-15 | 0.51% | 0.60% | +0.10% |
| 11 | 2023-03-07 | 4.19% | 0.51% | -3.68% |
| 12 | 2022-02-04 | — | 4.19% | — |