EPSS score history for CVE-2021-34809, 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 | 1.64% | 1.93% | +0.30% |
| 2 | 2025-03-30 | 5.55% | 1.64% | -3.91% |
| 3 | 2025-03-29 | 1.64% | 5.55% | +3.91% |
| 4 | 2025-03-17 | 0.07% | 1.64% | +1.57% |
| 5 | 2023-03-07 | 1.16% | 0.07% | -1.09% |
| 6 | 2022-04-01 | 15.36% | 1.16% | -14.21% |
| 7 | 2022-02-04 | 3.99% | 15.36% | +11.37% |
| 8 | 2022-01-06 | 0.92% | 3.99% | +3.07% |
| 9 | 2021-06-19 | — | 0.92% | — |