EPSS score history for CVE-2021-4209, 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 | 2026-06-24 | 1.33% | 1.38% | +0.05% |
| 2 | 2026-06-15 | 0.37% | 1.33% | +0.97% |
| 3 | 2026-05-07 | 0.34% | 0.37% | +0.02% |
| 4 | 2026-02-21 | 0.21% | 0.34% | +0.14% |
| 5 | 2026-01-18 | 0.36% | 0.21% | -0.15% |
| 6 | 2026-01-12 | 0.30% | 0.36% | +0.06% |
| 7 | 2025-11-21 | 1.64% | 0.30% | -1.34% |
| 8 | 2025-11-18 | 0.27% | 1.64% | +1.36% |
| 9 | 2025-10-11 | 0.17% | 0.27% | +0.10% |
| 10 | 2025-09-11 | 0.14% | 0.17% | +0.03% |
| 11 | 2025-06-11 | 0.15% | 0.14% | -0.01% |
| 12 | 2025-03-30 | 0.39% | 0.15% | -0.24% |
| 13 | 2025-03-29 | 0.19% | 0.39% | +0.20% |
| 14 | 2024-03-16 | 0.08% | 0.19% | +0.10% |
| 15 | 2023-03-07 | 1.03% | 0.08% | -0.95% |
| 16 | 2022-09-16 | 0.95% | 1.03% | +0.08% |
| 17 | 2022-08-25 | — | 0.95% | — |