EPSS score history for CVE-2021-40520, 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% | 1.15% | +0.76% |
| 2 | 2025-03-30 | 0.75% | 0.38% | -0.36% |
| 3 | 2025-03-29 | 0.38% | 0.75% | +0.36% |
| 4 | 2025-03-17 | 0.61% | 0.38% | -0.22% |
| 5 | 2025-03-15 | 0.51% | 0.61% | +0.10% |
| 6 | 2024-12-17 | 0.45% | 0.51% | +0.06% |
| 7 | 2024-10-02 | 0.26% | 0.45% | +0.19% |
| 8 | 2023-06-03 | 0.21% | 0.26% | +0.05% |
| 9 | 2023-03-07 | 0.89% | 0.21% | -0.68% |
| 10 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 11 | 2022-02-04 | 2.74% | 9.03% | +6.29% |
| 12 | 2022-01-06 | 0.62% | 2.74% | +2.12% |
| 13 | 2021-11-11 | — | 0.62% | — |