EPSS score history for CVE-2021-4028, 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 | 0.04% | 0.30% | +0.26% |
| 2 | 2025-11-21 | 0.10% | 0.04% | -0.06% |
| 3 | 2025-11-18 | 0.02% | 0.10% | +0.07% |
| 4 | 2025-03-30 | 0.10% | 0.02% | -0.08% |
| 5 | 2025-03-29 | 0.04% | 0.10% | +0.06% |
| 6 | 2023-03-07 | 1.50% | 0.04% | -1.46% |
| 7 | 2022-12-29 | 1.36% | 1.50% | +0.14% |
| 8 | 2022-08-30 | 1.55% | 1.36% | -0.18% |
| 9 | 2022-08-25 | — | 1.55% | — |