EPSS score history for CVE-2021-40409, 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 | 1.56% | 3.69% | +2.13% |
| 2 | 2026-03-07 | 5.35% | 1.56% | -3.79% |
| 3 | 2025-07-24 | 5.54% | 5.35% | -0.18% |
| 4 | 2025-03-30 | 13.29% | 5.54% | -7.75% |
| 5 | 2025-03-29 | 5.54% | 13.29% | +7.75% |
| 6 | 2025-03-17 | 5.92% | 5.54% | -0.38% |
| 7 | 2025-03-02 | 8.11% | 5.92% | -2.19% |
| 8 | 2025-02-14 | 3.20% | 8.11% | +4.91% |
| 9 | 2025-01-31 | 4.28% | 3.20% | -1.08% |
| 10 | 2025-01-16 | 2.19% | 4.28% | +2.09% |
| 11 | 2024-12-20 | 1.76% | 2.19% | +0.42% |
| 12 | 2024-12-17 | 1.70% | 1.76% | +0.07% |
| 13 | 2024-11-08 | 1.45% | 1.70% | +0.25% |
| 14 | 2024-10-13 | 0.42% | 1.45% | +1.03% |
| 15 | 2024-09-03 | 0.48% | 0.42% | -0.06% |
| 16 | 2024-05-03 | 0.36% | 0.48% | +0.11% |
| 17 | 2023-08-21 | 0.28% | 0.36% | +0.09% |
| 18 | 2023-07-11 | 0.23% | 0.28% | +0.04% |
| 19 | 2023-03-07 | 2.05% | 0.23% | -1.82% |
| 20 | 2022-02-04 | 0.42% | 2.05% | +1.64% |
| 21 | 2022-01-29 | — | 0.42% | — |