EPSS score history for CVE-2021-34859, 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 | 1.34% | 9.13% | +7.79% |
| 2 | 2025-11-21 | 0.66% | 1.34% | +0.68% |
| 3 | 2025-11-18 | 1.34% | 0.66% | -0.68% |
| 4 | 2025-11-09 | 0.69% | 1.34% | +0.65% |
| 5 | 2025-11-01 | 1.15% | 0.69% | -0.46% |
| 6 | 2025-10-25 | 2.39% | 1.15% | -1.24% |
| 7 | 2025-08-07 | 2.56% | 2.39% | -0.17% |
| 8 | 2025-04-03 | 2.27% | 2.56% | +0.29% |
| 9 | 2025-04-01 | 2.17% | 2.27% | +0.10% |
| 10 | 2025-03-30 | 3.54% | 2.17% | -1.37% |
| 11 | 2025-03-29 | 2.17% | 3.54% | +1.37% |
| 12 | 2025-03-25 | 2.04% | 2.17% | +0.13% |
| 13 | 2025-03-19 | 2.14% | 2.04% | -0.09% |
| 14 | 2025-03-17 | 1.05% | 2.14% | +1.08% |
| 15 | 2024-12-17 | 1.33% | 1.05% | -0.28% |
| 16 | 2024-11-11 | 1.55% | 1.33% | -0.22% |
| 17 | 2024-07-10 | 2.09% | 1.55% | -0.54% |
| 18 | 2024-05-31 | 1.48% | 2.09% | +0.61% |
| 19 | 2024-03-26 | 1.24% | 1.48% | +0.23% |
| 20 | 2024-01-17 | 1.09% | 1.24% | +0.15% |
| 21 | 2023-09-11 | 1.04% | 1.09% | +0.06% |
| 22 | 2023-06-02 | 0.94% | 1.04% | +0.10% |
| 23 | 2023-03-07 | 1.69% | 0.94% | -0.75% |
| 24 | 2022-04-01 | 18.07% | 1.69% | -16.38% |
| 25 | 2022-02-04 | 4.86% | 18.07% | +13.21% |
| 26 | 2022-01-06 | 1.12% | 4.86% | +3.73% |
| 27 | 2021-10-26 | — | 1.12% | — |