EPSS score history for CVE-2021-4284, 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 | 2025-12-28 | 0.52% | 0.87% | +0.35% |
| 2 | 2025-11-21 | 1.00% | 0.52% | -0.47% |
| 3 | 2025-11-18 | 0.52% | 1.00% | +0.48% |
| 4 | 2025-09-21 | 0.41% | 0.52% | +0.10% |
| 5 | 2025-03-17 | 0.18% | 0.41% | +0.23% |
| 6 | 2024-12-17 | 0.06% | 0.18% | +0.12% |
| 7 | 2023-03-07 | 1.11% | 0.06% | -1.05% |
| 8 | 2023-01-06 | 1.03% | 1.11% | +0.07% |
| 9 | 2022-12-28 | — | 1.03% | — |