EPSS score history for CVE-2021-21889, 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 | 4.49% | 2.84% | -1.64% |
| 2 | 2026-03-01 | 3.72% | 4.49% | +0.77% |
| 3 | 2025-03-30 | 13.18% | 3.72% | -9.46% |
| 4 | 2025-03-29 | 3.72% | 13.18% | +9.46% |
| 5 | 2025-03-17 | 0.10% | 3.72% | +3.63% |
| 6 | 2024-12-17 | 0.15% | 0.10% | -0.06% |
| 7 | 2023-12-07 | 0.12% | 0.15% | +0.04% |
| 8 | 2023-03-07 | 1.16% | 0.12% | -1.04% |
| 9 | 2022-02-04 | 0.97% | 1.16% | +0.18% |
| 10 | 2021-12-23 | — | 0.97% | — |