EPSS score history for CVE-2021-21864, 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 | 0.09% | 1.73% | +1.64% |
| 2 | 2026-02-05 | 0.16% | 0.09% | -0.07% |
| 3 | 2025-04-27 | 0.12% | 0.16% | +0.04% |
| 4 | 2025-03-30 | 0.21% | 0.12% | -0.09% |
| 5 | 2025-03-29 | 0.12% | 0.21% | +0.09% |
| 6 | 2025-03-17 | 0.37% | 0.12% | -0.25% |
| 7 | 2024-12-17 | 0.09% | 0.37% | +0.28% |
| 8 | 2023-03-07 | 1.00% | 0.09% | -0.91% |
| 9 | 2023-02-22 | 2.68% | 1.00% | -1.68% |
| 10 | 2022-12-30 | 1.00% | 2.68% | +1.68% |
| 11 | 2022-04-01 | 2.68% | 1.00% | -1.68% |
| 12 | 2022-02-04 | 4.73% | 2.68% | -2.05% |
| 13 | 2022-01-06 | 1.09% | 4.73% | +3.64% |
| 14 | 2021-08-05 | 0.73% | 1.09% | +0.36% |
| 15 | 2021-08-03 | — | 0.73% | — |