EPSS score history for CVE-2021-40540, 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 | 2026-07-01 | 2.54% | 2.63% | +0.08% |
| 2 | 2026-06-15 | 2.75% | 2.54% | -0.21% |
| 3 | 2025-11-21 | 2.33% | 2.75% | +0.42% |
| 4 | 2025-11-18 | 2.75% | 2.33% | -0.42% |
| 5 | 2025-03-30 | 6.67% | 2.75% | -3.92% |
| 6 | 2025-03-29 | 2.75% | 6.67% | +3.92% |
| 7 | 2025-03-19 | 3.02% | 2.75% | -0.27% |
| 8 | 2025-03-17 | 11.75% | 3.02% | -8.73% |
| 9 | 2025-02-10 | 9.40% | 11.75% | +2.35% |
| 10 | 2024-12-24 | 8.52% | 9.40% | +0.88% |
| 11 | 2024-12-17 | 8.84% | 8.52% | -0.33% |
| 12 | 2024-12-09 | 6.44% | 8.84% | +2.40% |
| 13 | 2024-11-24 | 4.65% | 6.44% | +1.79% |
| 14 | 2024-07-30 | 3.41% | 4.65% | +1.24% |
| 15 | 2024-05-23 | 2.84% | 3.41% | +0.57% |
| 16 | 2024-04-13 | 2.61% | 2.84% | +0.23% |
| 17 | 2024-04-01 | 1.86% | 2.61% | +0.75% |
| 18 | 2023-11-29 | 1.99% | 1.86% | -0.14% |
| 19 | 2023-10-03 | 1.42% | 1.99% | +0.58% |
| 20 | 2023-09-20 | 2.76% | 1.42% | -1.34% |
| 21 | 2023-08-22 | 2.95% | 2.76% | -0.19% |
| 22 | 2023-05-27 | 2.28% | 2.95% | +0.66% |
| 23 | 2023-05-12 | 1.99% | 2.28% | +0.29% |
| 24 | 2023-04-28 | 1.19% | 1.99% | +0.81% |
| 25 | 2023-04-14 | 0.99% | 1.19% | +0.20% |
| 26 | 2023-03-30 | 0.94% | 0.99% | +0.05% |
| 27 | 2023-03-07 | 0.95% | 0.94% | -0.02% |
| 28 | 2022-04-01 | 12.49% | 0.95% | -11.54% |
| 29 | 2022-02-04 | 3.63% | 12.49% | +8.86% |
| 30 | 2022-01-06 | 0.83% | 3.63% | +2.80% |
| 31 | 2021-09-15 | 0.62% | 0.83% | +0.21% |
| 32 | 2021-09-07 | — | 0.62% | — |