EPSS score history for CVE-2021-1609, 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 | 0.81% | 9.69% | +8.88% |
| 2 | 2025-03-30 | 2.40% | 0.81% | -1.59% |
| 3 | 2025-03-29 | 0.82% | 2.40% | +1.58% |
| 4 | 2025-03-17 | 0.20% | 0.82% | +0.61% |
| 5 | 2023-03-07 | 1.09% | 0.20% | -0.88% |
| 6 | 2022-04-01 | 15.36% | 1.09% | -14.28% |
| 7 | 2022-02-04 | 4.19% | 15.36% | +11.17% |
| 8 | 2022-01-06 | 0.97% | 4.19% | +3.23% |
| 9 | 2021-08-05 | — | 0.97% | — |