EPSS score history for CVE-2021-1549, 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 | 0.60% | 1.66% | +1.06% |
| 2 | 2026-05-24 | 0.74% | 0.60% | -0.14% |
| 3 | 2025-11-21 | 0.56% | 0.74% | +0.18% |
| 4 | 2025-11-18 | 0.74% | 0.56% | -0.18% |
| 5 | 2025-08-14 | 0.55% | 0.74% | +0.19% |
| 6 | 2025-03-30 | 1.55% | 0.55% | -1.00% |
| 7 | 2025-03-29 | 0.55% | 1.55% | +1.00% |
| 8 | 2025-03-25 | 0.25% | 0.55% | +0.29% |
| 9 | 2025-03-19 | 0.10% | 0.25% | +0.15% |
| 10 | 2023-03-07 | 1.05% | 0.10% | -0.95% |
| 11 | 2022-04-01 | 10.85% | 1.05% | -9.80% |
| 12 | 2022-02-04 | 4.23% | 10.85% | +6.62% |
| 13 | 2022-01-06 | 0.97% | 4.23% | +3.25% |
| 14 | 2021-05-22 | — | 0.97% | — |