EPSS score history for CVE-2021-21964, 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 | 0.22% | 0.70% | +0.48% |
| 2 | 2025-10-26 | 0.37% | 0.22% | -0.15% |
| 3 | 2025-04-21 | 0.26% | 0.37% | +0.11% |
| 4 | 2025-03-30 | 0.23% | 0.26% | +0.03% |
| 5 | 2025-03-29 | 0.26% | 0.23% | -0.03% |
| 6 | 2025-03-17 | 0.07% | 0.26% | +0.18% |
| 7 | 2023-03-07 | 0.89% | 0.07% | -0.81% |
| 8 | 2022-02-08 | — | 0.89% | — |