EPSS score history for CVE-2021-20487, 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 | 0.13% | 0.68% | +0.55% |
| 2 | 2025-03-30 | 0.17% | 0.13% | -0.04% |
| 3 | 2025-03-29 | 0.09% | 0.17% | +0.08% |
| 4 | 2023-03-07 | 0.89% | 0.09% | -0.79% |
| 5 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 6 | 2022-02-04 | 18.22% | 9.03% | -9.19% |
| 7 | 2022-01-06 | 4.73% | 18.22% | +13.49% |
| 8 | 2021-06-03 | 0.62% | 4.73% | +4.11% |
| 9 | 2021-05-27 | — | 0.62% | — |