EPSS score history for CVE-2009-1920, 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 | 43.09% | 21.51% | -21.59% |
| 2 | 2026-03-27 | 46.93% | 43.09% | -3.83% |
| 3 | 2026-02-28 | 50.86% | 46.93% | -3.93% |
| 4 | 2026-01-28 | 49.39% | 50.86% | +1.47% |
| 5 | 2025-12-28 | 40.09% | 49.39% | +9.30% |
| 6 | 2025-12-27 | 49.39% | 40.09% | -9.30% |
| 7 | 2025-10-28 | 40.09% | 49.39% | +9.30% |
| 8 | 2025-10-27 | 49.39% | 40.09% | -9.30% |
| 9 | 2025-10-01 | 40.09% | 49.39% | +9.30% |
| 10 | 2025-06-18 | 39.80% | 40.09% | +0.29% |
| 11 | 2025-03-30 | 43.46% | 39.80% | -3.66% |
| 12 | 2025-03-29 | 39.80% | 43.46% | +3.66% |
| 13 | 2025-03-17 | 55.69% | 39.80% | -15.88% |
| 14 | 2025-02-11 | 43.31% | 55.69% | +12.38% |
| 15 | 2025-01-05 | 49.47% | 43.31% | -6.16% |
| 16 | 2024-12-17 | 51.97% | 49.47% | -2.50% |
| 17 | 2024-12-02 | 59.60% | 51.97% | -7.63% |
| 18 | 2024-10-28 | 68.81% | 59.60% | -9.21% |
| 19 | 2024-09-21 | 71.94% | 68.81% | -3.13% |
| 20 | 2024-08-15 | 77.75% | 71.94% | -5.81% |
| 21 | 2024-04-18 | 81.89% | 77.75% | -4.14% |
| 22 | 2024-03-08 | 87.86% | 81.89% | -5.98% |
| 23 | 2024-01-26 | 92.59% | 87.86% | -4.73% |
| 24 | 2023-10-27 | 93.64% | 92.59% | -1.04% |
| 25 | 2023-07-28 | 94.26% | 93.64% | -0.62% |
| 26 | 2023-06-14 | 95.40% | 94.26% | -1.13% |
| 27 | 2023-05-02 | 95.63% | 95.40% | -0.23% |
| 28 | 2023-03-20 | 95.85% | 95.63% | -0.22% |
| 29 | 2023-03-07 | 20.46% | 95.85% | +75.39% |
| 30 | 2022-12-09 | 24.17% | 20.46% | -3.71% |
| 31 | 2022-08-03 | 27.68% | 24.17% | -3.51% |
| 32 | 2022-07-18 | 5.39% | 27.68% | +22.29% |
| 33 | 2022-07-17 | 27.68% | 5.39% | -22.29% |
| 34 | 2022-02-04 | — | 27.68% | — |