EPSS score history for CVE-2021-21798, 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 | 2026-07-09 | 15.61% | 16.10% | +0.49% |
| 2 | 2026-06-15 | 63.43% | 15.61% | -47.82% |
| 3 | 2026-03-16 | 68.65% | 63.43% | -5.22% |
| 4 | 2025-10-26 | 40.26% | 68.65% | +28.39% |
| 5 | 2025-06-17 | 0.10% | 40.26% | +40.16% |
| 6 | 2025-03-30 | 0.18% | 0.10% | -0.07% |
| 7 | 2025-03-29 | 0.13% | 0.18% | +0.04% |
| 8 | 2023-03-07 | 1.04% | 0.13% | -0.90% |
| 9 | 2022-04-01 | 2.76% | 1.04% | -1.73% |
| 10 | 2022-02-04 | 3.20% | 2.76% | -0.43% |
| 11 | 2022-01-06 | 0.73% | 3.20% | +2.47% |
| 12 | 2021-10-11 | 3.20% | 0.73% | -2.47% |
| 13 | 2021-10-05 | 0.73% | 3.20% | +2.47% |
| 14 | 2021-09-16 | — | 0.73% | — |