EPSS score history for CVE-2021-44520, 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 | 2026-06-29 | 5.63% | 5.80% | +0.16% |
| 2 | 2026-06-15 | 15.84% | 5.63% | -10.21% |
| 3 | 2025-12-26 | 5.94% | 15.84% | +9.90% |
| 4 | 2025-11-21 | 15.84% | 5.94% | -9.90% |
| 5 | 2025-11-18 | 5.94% | 15.84% | +9.90% |
| 6 | 2025-08-29 | 6.13% | 5.94% | -0.19% |
| 7 | 2025-06-29 | 2.22% | 6.13% | +3.91% |
| 8 | 2025-06-11 | 1.39% | 2.22% | +0.82% |
| 9 | 2025-05-31 | 1.06% | 1.39% | +0.33% |
| 10 | 2025-04-30 | 0.86% | 1.06% | +0.20% |
| 11 | 2025-04-14 | 1.14% | 0.86% | -0.27% |
| 12 | 2025-03-30 | 1.98% | 1.14% | -0.84% |
| 13 | 2025-03-29 | 1.14% | 1.98% | +0.84% |
| 14 | 2025-03-17 | 1.60% | 1.14% | -0.47% |
| 15 | 2024-12-17 | 0.96% | 1.60% | +0.64% |
| 16 | 2024-07-16 | 0.68% | 0.96% | +0.28% |
| 17 | 2024-02-27 | 0.77% | 0.68% | -0.09% |
| 18 | 2023-12-02 | 0.54% | 0.77% | +0.24% |
| 19 | 2023-04-19 | 0.17% | 0.54% | +0.37% |
| 20 | 2023-03-07 | 4.57% | 0.17% | -4.41% |
| 21 | 2022-04-21 | 4.43% | 4.57% | +0.14% |
| 22 | 2022-04-13 | — | 4.43% | — |