EPSS score history for CVE-2021-30171, 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 | 0.27% | 0.59% | +0.31% |
| 2 | 2025-12-27 | 0.15% | 0.27% | +0.13% |
| 3 | 2025-11-21 | 0.16% | 0.15% | -0.01% |
| 4 | 2025-11-18 | 0.07% | 0.16% | +0.10% |
| 5 | 2023-03-07 | 1.05% | 0.07% | -0.99% |
| 6 | 2022-04-01 | 2.56% | 1.05% | -1.51% |
| 7 | 2022-02-04 | 2.30% | 2.56% | +0.26% |
| 8 | 2022-01-06 | 0.52% | 2.30% | +1.78% |
| 9 | 2021-05-07 | — | 0.52% | — |