EPSS score history for CVE-2021-21989, 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 | 0.07% | 0.45% | +0.38% |
| 2 | 2025-03-17 | 0.04% | 0.07% | +0.03% |
| 3 | 2023-03-07 | 0.89% | 0.04% | -0.84% |
| 4 | 2022-04-01 | 1.65% | 0.89% | -0.77% |
| 5 | 2022-02-04 | 24.37% | 1.65% | -22.72% |
| 6 | 2022-01-06 | 6.70% | 24.37% | +17.67% |
| 7 | 2021-06-11 | 24.37% | 6.70% | -17.67% |
| 8 | 2021-06-06 | 6.70% | 24.37% | +17.67% |
| 9 | 2021-06-05 | 0.62% | 6.70% | +6.08% |
| 10 | 2021-05-26 | 0.42% | 0.62% | +0.21% |
| 11 | 2021-05-25 | — | 0.42% | — |