EPSS score history for CVE-2021-21909, 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 | 0.48% | 1.01% | +0.53% |
| 2 | 2025-04-21 | 0.44% | 0.48% | +0.05% |
| 3 | 2025-03-30 | 0.52% | 0.44% | -0.08% |
| 4 | 2025-03-29 | 0.44% | 0.52% | +0.08% |
| 5 | 2025-03-17 | 0.07% | 0.44% | +0.36% |
| 6 | 2023-03-07 | 0.89% | 0.07% | -0.81% |
| 7 | 2022-02-04 | 0.42% | 0.89% | +0.47% |
| 8 | 2021-12-23 | — | 0.42% | — |