EPSS score history for CVE-2021-4256, 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 | 0.21% | 0.39% | +0.17% |
| 2 | 2025-12-20 | 0.08% | 0.21% | +0.13% |
| 3 | 2025-11-21 | 0.21% | 0.08% | -0.13% |
| 4 | 2025-11-18 | 0.05% | 0.21% | +0.16% |
| 5 | 2023-11-18 | 0.05% | 0.05% | +0.00% |
| 6 | 2023-03-07 | 0.89% | 0.05% | -0.84% |
| 7 | 2022-12-19 | — | 0.89% | — |