EPSS score history for CVE-2021-20844, 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 | 0.34% | 0.93% | +0.59% |
| 2 | 2025-11-21 | 0.38% | 0.34% | -0.04% |
| 3 | 2025-11-18 | 0.34% | 0.38% | +0.04% |
| 4 | 2025-03-30 | 0.66% | 0.34% | -0.32% |
| 5 | 2025-03-29 | 0.27% | 0.66% | +0.38% |
| 6 | 2025-03-17 | 0.13% | 0.27% | +0.14% |
| 7 | 2023-10-11 | 0.17% | 0.13% | -0.04% |
| 8 | 2023-03-07 | 1.13% | 0.17% | -0.96% |
| 9 | 2022-04-01 | 8.62% | 1.13% | -7.49% |
| 10 | 2022-02-04 | 5.93% | 8.62% | +2.69% |
| 11 | 2022-01-06 | 1.39% | 5.93% | +4.55% |
| 12 | 2021-11-25 | — | 1.39% | — |