EPSS score history for CVE-2021-20271, 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 | 0.15% | 0.83% | +0.67% |
| 2 | 2025-12-13 | 0.15% | 0.15% | +0.01% |
| 3 | 2025-11-21 | 0.20% | 0.15% | -0.05% |
| 4 | 2025-11-18 | 0.15% | 0.20% | +0.05% |
| 5 | 2025-10-19 | 0.20% | 0.15% | -0.05% |
| 6 | 2025-03-30 | 0.91% | 0.20% | -0.71% |
| 7 | 2025-03-29 | 0.20% | 0.91% | +0.71% |
| 8 | 2025-03-17 | 0.27% | 0.20% | -0.08% |
| 9 | 2024-12-17 | 0.17% | 0.27% | +0.10% |
| 10 | 2023-03-07 | 1.72% | 0.17% | -1.55% |
| 11 | 2023-02-13 | 2.38% | 1.72% | -0.66% |
| 12 | 2023-02-03 | 1.72% | 2.38% | +0.66% |
| 13 | 2022-04-01 | 3.07% | 1.72% | -1.35% |
| 14 | 2022-02-04 | 10.45% | 3.07% | -7.38% |
| 15 | 2022-01-06 | 2.53% | 10.45% | +7.91% |
| 16 | 2021-07-21 | 2.18% | 2.53% | +0.36% |
| 17 | 2021-04-14 | — | 2.18% | — |