EPSS score history for CVE-2021-4247, 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 | 0.38% | 1.01% | +0.63% |
| 2 | 2025-12-29 | 0.50% | 0.38% | -0.13% |
| 3 | 2025-12-23 | 0.34% | 0.50% | +0.17% |
| 4 | 2025-12-19 | 0.07% | 0.34% | +0.27% |
| 5 | 2025-11-21 | 0.38% | 0.07% | -0.30% |
| 6 | 2025-11-18 | 0.06% | 0.38% | +0.32% |
| 7 | 2025-03-17 | 0.15% | 0.06% | -0.10% |
| 8 | 2025-03-11 | 0.06% | 0.15% | +0.10% |
| 9 | 2023-11-18 | 0.05% | 0.06% | +0.01% |
| 10 | 2023-05-08 | 0.06% | 0.05% | -0.01% |
| 11 | 2023-03-27 | 0.05% | 0.06% | +0.01% |
| 12 | 2023-03-07 | 0.95% | 0.05% | -0.91% |
| 13 | 2022-12-23 | 0.89% | 0.95% | +0.06% |
| 14 | 2022-12-19 | — | 0.89% | — |