EPSS score history for CVE-2021-4471, 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 | 0.27% | 0.58% | +0.31% |
| 2 | 2026-04-12 | 0.36% | 0.27% | -0.09% |
| 3 | 2025-12-26 | 0.59% | 0.36% | -0.23% |
| 4 | 2025-12-09 | 0.47% | 0.59% | +0.12% |
| 5 | 2025-12-02 | 0.37% | 0.47% | +0.10% |
| 6 | 2025-11-20 | 0.31% | 0.37% | +0.06% |
| 7 | 2025-11-15 | — | 0.31% | — |