EPSS score history for CVE-2018-20221, 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 | 4.56% | 10.46% | +5.90% |
| 2 | 2025-11-21 | 5.40% | 4.56% | -0.84% |
| 3 | 2025-11-18 | 4.56% | 5.40% | +0.84% |
| 4 | 2025-06-21 | 4.79% | 4.56% | -0.23% |
| 5 | 2025-03-30 | 11.54% | 4.79% | -6.75% |
| 6 | 2025-03-29 | 4.79% | 11.54% | +6.75% |
| 7 | 2025-03-17 | 3.77% | 4.79% | +1.02% |
| 8 | 2025-02-24 | 3.48% | 3.77% | +0.29% |
| 9 | 2025-01-24 | 4.43% | 3.48% | -0.95% |
| 10 | 2024-12-17 | 1.84% | 4.43% | +2.59% |
| 11 | 2024-04-14 | 2.04% | 1.84% | -0.20% |
| 12 | 2024-03-10 | 2.51% | 2.04% | -0.47% |
| 13 | 2024-02-06 | 2.56% | 2.51% | -0.05% |
| 14 | 2023-06-12 | 2.47% | 2.56% | +0.09% |
| 15 | 2023-03-07 | 5.16% | 2.47% | -2.69% |
| 16 | 2022-02-04 | 5.88% | 5.16% | -0.72% |
| 17 | 2021-04-14 | — | 5.88% | — |