EPSS score history for CVE-2021-3391, 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 | 0.36% | 1.15% | +0.79% |
| 2 | 2025-03-17 | 0.07% | 0.36% | +0.29% |
| 3 | 2023-03-07 | 0.95% | 0.07% | -0.89% |
| 4 | 2022-04-01 | 5.74% | 0.95% | -4.78% |
| 5 | 2022-02-04 | 3.63% | 5.74% | +2.11% |
| 6 | 2022-01-06 | 0.83% | 3.63% | +2.80% |
| 7 | 2021-04-14 | — | 0.83% | — |