EPSS score history for CVE-2021-2447, 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 | 1.77% | 1.09% | -0.67% |
| 2 | 2025-03-30 | 3.37% | 1.77% | -1.60% |
| 3 | 2025-03-29 | 1.77% | 3.37% | +1.60% |
| 4 | 2025-03-17 | 0.40% | 1.77% | +1.37% |
| 5 | 2023-11-21 | 0.33% | 0.40% | +0.07% |
| 6 | 2023-08-30 | 0.16% | 0.33% | +0.17% |
| 7 | 2023-03-07 | 0.89% | 0.16% | -0.72% |
| 8 | 2022-04-01 | 13.65% | 0.89% | -12.76% |
| 9 | 2022-02-04 | 1.84% | 13.65% | +11.81% |
| 10 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 11 | 2021-07-21 | — | 0.42% | — |