EPSS score history for CVE-2021-39421, 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 | 2025-11-21 | 0.21% | 0.08% | -0.14% |
| 2 | 2025-11-18 | 0.05% | 0.21% | +0.16% |
| 3 | 2024-06-23 | 0.04% | 0.05% | +0.01% |
| 4 | 2023-07-25 | — | 0.04% | — |