EPSS score history for CVE-2021-1223, 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 | 0.56% | 1.98% | +1.43% |
| 2 | 2026-05-24 | 0.41% | 0.56% | +0.15% |
| 3 | 2026-05-18 | 0.56% | 0.41% | -0.15% |
| 4 | 2026-05-13 | 0.41% | 0.56% | +0.15% |
| 5 | 2026-02-21 | 1.13% | 0.41% | -0.72% |
| 6 | 2026-02-20 | 0.78% | 1.13% | +0.35% |
| 7 | 2026-02-12 | 0.40% | 0.78% | +0.38% |
| 8 | 2025-08-01 | 0.53% | 0.40% | -0.13% |
| 9 | 2025-07-30 | 0.56% | 0.53% | -0.04% |
| 10 | 2025-07-14 | 0.51% | 0.56% | +0.05% |
| 11 | 2025-03-30 | 0.28% | 0.51% | +0.23% |
| 12 | 2025-03-29 | 0.51% | 0.28% | -0.23% |
| 13 | 2025-03-17 | 0.17% | 0.51% | +0.35% |
| 14 | 2024-11-02 | 0.10% | 0.17% | +0.06% |
| 15 | 2023-03-07 | 1.05% | 0.10% | -0.95% |
| 16 | 2022-04-01 | 4.50% | 1.05% | -3.44% |
| 17 | 2022-02-04 | 2.30% | 4.50% | +2.20% |
| 18 | 2022-01-06 | 0.52% | 2.30% | +1.78% |
| 19 | 2021-04-14 | — | 0.52% | — |