EPSS score history for CVE-2021-30177, 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 | 1.18% | 2.36% | +1.18% |
| 2 | 2025-11-21 | 1.63% | 1.18% | -0.45% |
| 3 | 2025-11-18 | 1.18% | 1.63% | +0.45% |
| 4 | 2025-03-30 | 5.05% | 1.18% | -3.87% |
| 5 | 2025-03-29 | 1.18% | 5.05% | +3.87% |
| 6 | 2025-03-17 | 0.27% | 1.18% | +0.92% |
| 7 | 2024-12-17 | 0.18% | 0.27% | +0.09% |
| 8 | 2023-11-12 | 0.15% | 0.18% | +0.03% |
| 9 | 2023-03-07 | 1.16% | 0.15% | -1.01% |
| 10 | 2022-04-01 | 15.36% | 1.16% | -14.21% |
| 11 | 2022-02-04 | 3.99% | 15.36% | +11.37% |
| 12 | 2022-01-06 | 0.92% | 3.99% | +3.07% |
| 13 | 2021-04-14 | — | 0.92% | — |