EPSS score history for CVE-2019-4520, 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 | 0.30% | 2.22% | +1.92% |
| 2 | 2025-12-08 | 0.51% | 0.30% | -0.21% |
| 3 | 2025-11-21 | 0.30% | 0.51% | +0.21% |
| 4 | 2025-11-18 | 0.51% | 0.30% | -0.21% |
| 5 | 2025-03-30 | 0.82% | 0.51% | -0.31% |
| 6 | 2025-03-29 | 0.51% | 0.82% | +0.31% |
| 7 | 2025-03-17 | 0.42% | 0.51% | +0.09% |
| 8 | 2023-11-11 | 0.31% | 0.42% | +0.11% |
| 9 | 2023-06-19 | 0.19% | 0.31% | +0.12% |
| 10 | 2023-03-07 | 1.05% | 0.19% | -0.86% |
| 11 | 2023-02-23 | 9.03% | 1.05% | -7.97% |
| 12 | 2022-12-28 | 1.05% | 9.03% | +7.97% |
| 13 | 2022-04-01 | 9.03% | 1.05% | -7.97% |
| 14 | 2022-02-04 | 21.90% | 9.03% | -12.87% |
| 15 | 2022-01-06 | 5.88% | 21.90% | +16.02% |
| 16 | 2021-04-14 | — | 5.88% | — |