EPSS score history for CVE-2021-40809, 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 | 0.58% | 1.43% | +0.86% |
| 2 | 2025-03-30 | 1.12% | 0.58% | -0.54% |
| 3 | 2025-03-29 | 0.58% | 1.12% | +0.54% |
| 4 | 2025-03-17 | 0.45% | 0.58% | +0.13% |
| 5 | 2024-12-04 | 0.27% | 0.45% | +0.18% |
| 6 | 2023-07-22 | 0.15% | 0.27% | +0.12% |
| 7 | 2023-03-07 | 0.89% | 0.15% | -0.74% |
| 8 | 2022-04-01 | 11.75% | 0.89% | -10.86% |
| 9 | 2022-02-04 | 3.63% | 11.75% | +8.12% |
| 10 | 2022-01-06 | 0.83% | 3.63% | +2.80% |
| 11 | 2021-12-01 | — | 0.83% | — |