EPSS score history for CVE-2021-21807, 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 | 0.52% | 1.46% | +0.93% |
| 2 | 2025-03-30 | 1.17% | 0.52% | -0.65% |
| 3 | 2025-03-29 | 0.50% | 1.17% | +0.67% |
| 4 | 2025-02-18 | 0.36% | 0.50% | +0.14% |
| 5 | 2024-02-11 | 0.29% | 0.36% | +0.06% |
| 6 | 2023-03-07 | 0.89% | 0.29% | -0.59% |
| 7 | 2023-02-23 | 9.03% | 0.89% | -8.14% |
| 8 | 2022-12-30 | 0.89% | 9.03% | +8.14% |
| 9 | 2022-04-01 | 5.25% | 0.89% | -4.36% |
| 10 | 2022-02-04 | 1.84% | 5.25% | +3.41% |
| 11 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 12 | 2021-07-08 | — | 0.42% | — |