EPSS score history for CVE-2021-44521, 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 | 91.01% | 54.89% | -36.12% |
| 2 | 2026-04-23 | 90.61% | 91.01% | +0.39% |
| 3 | 2026-02-28 | 91.53% | 90.61% | -0.91% |
| 4 | 2025-12-04 | 91.82% | 91.53% | -0.30% |
| 5 | 2025-11-26 | 91.53% | 91.82% | +0.30% |
| 6 | 2025-11-24 | 91.82% | 91.53% | -0.30% |
| 7 | 2025-11-21 | 63.90% | 91.82% | +27.92% |
| 8 | 2025-11-18 | 91.82% | 63.90% | -27.92% |
| 9 | 2025-11-13 | 91.56% | 91.82% | +0.26% |
| 10 | 2025-11-12 | 91.24% | 91.56% | +0.33% |
| 11 | 2025-10-04 | 90.82% | 91.24% | +0.41% |
| 12 | 2025-09-15 | 91.23% | 90.82% | -0.41% |
| 13 | 2025-08-22 | 90.66% | 91.23% | +0.57% |
| 14 | 2025-08-11 | 91.23% | 90.66% | -0.57% |
| 15 | 2025-07-16 | 91.86% | 91.23% | -0.63% |
| 16 | 2025-05-09 | 91.41% | 91.86% | +0.46% |
| 17 | 2025-03-30 | 92.09% | 91.41% | -0.68% |
| 18 | 2025-03-29 | 91.41% | 92.09% | +0.68% |
| 19 | 2025-03-17 | 44.95% | 91.41% | +46.45% |
| 20 | 2025-03-16 | 41.21% | 44.95% | +3.74% |
| 21 | 2025-02-28 | 41.13% | 41.21% | +0.08% |
| 22 | 2025-01-30 | 35.07% | 41.13% | +6.06% |
| 23 | 2024-12-20 | 34.28% | 35.07% | +0.79% |
| 24 | 2024-12-17 | 5.49% | 34.28% | +28.79% |
| 25 | 2024-11-22 | 5.17% | 5.49% | +0.32% |
| 26 | 2024-10-27 | 5.32% | 5.17% | -0.15% |
| 27 | 2024-08-09 | 5.00% | 5.32% | +0.31% |
| 28 | 2024-06-02 | 5.42% | 5.00% | -0.41% |
| 29 | 2024-05-05 | 4.59% | 5.42% | +0.82% |
| 30 | 2024-02-25 | 4.45% | 4.59% | +0.14% |
| 31 | 2023-12-15 | 4.94% | 4.45% | -0.49% |
| 32 | 2023-12-01 | 3.77% | 4.94% | +1.17% |
| 33 | 2023-10-03 | 2.13% | 3.77% | +1.64% |
| 34 | 2023-09-19 | 1.81% | 2.13% | +0.32% |
| 35 | 2023-09-04 | 1.98% | 1.81% | -0.17% |
| 36 | 2023-08-22 | 1.71% | 1.98% | +0.27% |
| 37 | 2023-07-25 | 1.21% | 1.71% | +0.50% |
| 38 | 2023-07-12 | 1.03% | 1.21% | +0.19% |
| 39 | 2023-06-28 | 0.79% | 1.03% | +0.24% |
| 40 | 2023-05-19 | 0.85% | 0.79% | -0.06% |
| 41 | 2023-03-28 | 0.53% | 0.85% | +0.32% |
| 42 | 2023-03-07 | 42.84% | 0.53% | -42.31% |
| 43 | 2022-03-04 | 27.30% | 42.84% | +15.54% |
| 44 | 2022-02-26 | 21.90% | 27.30% | +5.40% |
| 45 | 2022-02-25 | 2.20% | 21.90% | +19.70% |
| 46 | 2022-02-18 | 1.55% | 2.20% | +0.65% |
| 47 | 2022-02-17 | 2.48% | 1.55% | -0.94% |
| 48 | 2022-02-13 | — | 2.48% | — |