EPSS score history for CVE-2021-21783, 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 | 3.52% | 4.98% | +1.47% |
| 2 | 2026-06-12 | 4.51% | 3.52% | -1.00% |
| 3 | 2026-05-29 | 2.06% | 4.51% | +2.45% |
| 4 | 2026-01-14 | 3.52% | 2.06% | -1.46% |
| 5 | 2025-12-31 | 3.05% | 3.52% | +0.47% |
| 6 | 2025-11-21 | 10.06% | 3.05% | -7.01% |
| 7 | 2025-11-18 | 3.05% | 10.06% | +7.01% |
| 8 | 2025-11-11 | 2.76% | 3.05% | +0.29% |
| 9 | 2025-10-20 | 1.35% | 2.76% | +1.40% |
| 10 | 2025-09-30 | 0.56% | 1.35% | +0.79% |
| 11 | 2025-08-21 | 0.74% | 0.56% | -0.18% |
| 12 | 2025-08-19 | 0.58% | 0.74% | +0.16% |
| 13 | 2025-05-15 | 1.49% | 0.58% | -0.91% |
| 14 | 2025-03-30 | 9.28% | 1.49% | -7.79% |
| 15 | 2025-03-29 | 1.49% | 9.28% | +7.79% |
| 16 | 2025-03-25 | 1.18% | 1.49% | +0.31% |
| 17 | 2025-03-17 | 0.98% | 1.18% | +0.20% |
| 18 | 2024-12-17 | 3.72% | 0.98% | -2.74% |
| 19 | 2024-07-28 | 3.11% | 3.72% | +0.62% |
| 20 | 2024-05-26 | 2.22% | 3.11% | +0.89% |
| 21 | 2024-02-29 | 2.10% | 2.22% | +0.11% |
| 22 | 2023-12-09 | 1.77% | 2.10% | +0.33% |
| 23 | 2023-03-07 | 5.63% | 1.77% | -3.86% |
| 24 | 2022-04-01 | 58.01% | 5.63% | -52.37% |
| 25 | 2022-02-08 | 33.27% | 58.01% | +24.73% |
| 26 | 2022-02-04 | 5.88% | 33.27% | +27.39% |
| 27 | 2022-01-06 | 1.37% | 5.88% | +4.51% |
| 28 | 2021-10-21 | 0.92% | 1.37% | +0.46% |
| 29 | 2021-04-14 | — | 0.92% | — |