EPSS score history for CVE-2021-1879, 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 | 0.81% | 7.08% | +6.27% |
| 2 | 2026-03-10 | 1.50% | 0.81% | -0.69% |
| 3 | 2026-01-12 | 1.94% | 1.50% | -0.44% |
| 4 | 2025-12-24 | 1.79% | 1.94% | +0.15% |
| 5 | 2025-11-21 | 3.52% | 1.79% | -1.73% |
| 6 | 2025-11-18 | 1.79% | 3.52% | +1.73% |
| 7 | 2025-10-24 | 1.74% | 1.79% | +0.05% |
| 8 | 2025-10-11 | 1.76% | 1.74% | -0.03% |
| 9 | 2025-10-08 | 2.05% | 1.76% | -0.28% |
| 10 | 2025-04-13 | 2.76% | 2.05% | -0.71% |
| 11 | 2025-03-30 | 23.30% | 2.76% | -20.55% |
| 12 | 2025-03-29 | 2.76% | 23.30% | +20.55% |
| 13 | 2025-03-17 | 0.31% | 2.76% | +2.45% |
| 14 | 2025-03-01 | 0.35% | 0.31% | -0.04% |
| 15 | 2025-01-20 | 0.29% | 0.35% | +0.06% |
| 16 | 2024-12-17 | 0.17% | 0.29% | +0.12% |
| 17 | 2023-03-07 | 0.95% | 0.17% | -0.78% |
| 18 | 2022-04-01 | 3.28% | 0.95% | -2.33% |
| 19 | 2022-02-04 | 0.58% | 3.28% | +2.70% |
| 20 | 2022-01-06 | 0.13% | 0.58% | +0.45% |
| 21 | 2021-04-14 | — | 0.13% | — |