EPSS score history for CVE-2021-20621, 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 | 0.15% | 0.65% | +0.49% |
| 2 | 2025-03-30 | 0.11% | 0.15% | +0.04% |
| 3 | 2025-03-29 | 0.15% | 0.11% | -0.04% |
| 4 | 2025-03-17 | 0.26% | 0.15% | -0.10% |
| 5 | 2024-12-17 | 0.37% | 0.26% | -0.11% |
| 6 | 2024-12-02 | 0.29% | 0.37% | +0.07% |
| 7 | 2024-11-17 | 0.25% | 0.29% | +0.05% |
| 8 | 2023-10-14 | 0.25% | 0.25% | -0.01% |
| 9 | 2023-09-04 | 0.22% | 0.25% | +0.04% |
| 10 | 2023-03-07 | 1.14% | 0.22% | -0.92% |
| 11 | 2022-04-01 | 7.38% | 1.14% | -6.24% |
| 12 | 2022-02-04 | 4.53% | 7.38% | +2.85% |
| 13 | 2022-01-06 | 1.05% | 4.53% | +3.48% |
| 14 | 2021-04-14 | — | 1.05% | — |