EPSS score history for CVE-2021-42521, 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 | 2026-06-25 | 1.03% | 1.07% | +0.04% |
| 2 | 2026-06-15 | 0.48% | 1.03% | +0.54% |
| 3 | 2026-05-12 | 0.09% | 0.48% | +0.39% |
| 4 | 2025-11-21 | 0.27% | 0.09% | -0.18% |
| 5 | 2025-11-18 | 0.06% | 0.27% | +0.21% |
| 6 | 2025-03-30 | 0.19% | 0.06% | -0.13% |
| 7 | 2025-03-29 | 0.06% | 0.19% | +0.13% |
| 8 | 2025-03-17 | 0.15% | 0.06% | -0.09% |
| 9 | 2024-04-15 | 0.06% | 0.15% | +0.10% |
| 10 | 2023-07-26 | 0.05% | 0.06% | +0.01% |
| 11 | 2023-03-07 | 0.89% | 0.05% | -0.84% |
| 12 | 2022-08-26 | — | 0.89% | — |