EPSS score history for CVE-2021-1728, 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 | 2026-04-24 | 1.32% | 1.78% | +0.46% |
| 2 | 2026-01-16 | 1.09% | 1.32% | +0.23% |
| 3 | 2025-11-25 | 0.58% | 1.09% | +0.52% |
| 4 | 2025-03-30 | 0.76% | 0.58% | -0.18% |
| 5 | 2025-03-29 | 0.61% | 0.76% | +0.15% |
| 6 | 2025-03-17 | 0.16% | 0.61% | +0.45% |
| 7 | 2023-11-25 | 0.14% | 0.16% | +0.02% |
| 8 | 2023-08-24 | 0.18% | 0.14% | -0.04% |
| 9 | 2023-03-07 | 1.15% | 0.18% | -0.97% |
| 10 | 2022-04-01 | 2.29% | 1.15% | -1.14% |
| 11 | 2022-02-04 | 17.64% | 2.29% | -15.35% |
| 12 | 2022-01-06 | 4.56% | 17.64% | +13.08% |
| 13 | 2021-04-14 | — | 4.56% | — |