EPSS score history for CVE-2021-1421, 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 | 0.10% | 0.67% | +0.57% |
| 2 | 2025-11-21 | 0.15% | 0.10% | -0.05% |
| 3 | 2025-11-18 | 0.14% | 0.15% | +0.02% |
| 4 | 2025-03-30 | 0.30% | 0.14% | -0.17% |
| 5 | 2025-03-29 | 0.09% | 0.30% | +0.21% |
| 6 | 2025-03-17 | 0.04% | 0.09% | +0.05% |
| 7 | 2023-03-07 | 1.04% | 0.04% | -0.99% |
| 8 | 2022-04-01 | 2.76% | 1.04% | -1.73% |
| 9 | 2022-02-04 | 1.72% | 2.76% | +1.04% |
| 10 | 2022-01-06 | 0.39% | 1.72% | +1.33% |
| 11 | 2021-05-07 | — | 0.39% | — |