EPSS score history for CVE-2021-4394, 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 | 2026-07-02 | 0.39% | 0.47% | +0.08% |
| 2 | 2026-06-15 | 0.12% | 0.39% | +0.27% |
| 3 | 2026-06-04 | 0.17% | 0.12% | -0.04% |
| 4 | 2026-05-01 | 0.10% | 0.17% | +0.06% |
| 5 | 2026-04-09 | 0.20% | 0.10% | -0.10% |
| 6 | 2025-11-21 | 0.32% | 0.20% | -0.12% |
| 7 | 2025-11-18 | 0.20% | 0.32% | +0.12% |
| 8 | 2025-09-18 | 0.65% | 0.20% | -0.44% |
| 9 | 2025-03-30 | 3.80% | 0.65% | -3.16% |
| 10 | 2025-03-29 | 0.65% | 3.80% | +3.16% |
| 11 | 2025-03-24 | 3.80% | 0.65% | -3.16% |
| 12 | 2025-03-23 | 0.65% | 3.80% | +3.16% |
| 13 | 2025-03-17 | 0.04% | 0.65% | +0.60% |
| 14 | 2024-12-17 | 0.82% | 0.04% | -0.78% |
| 15 | 2024-12-11 | 0.70% | 0.82% | +0.12% |
| 16 | 2024-11-01 | 0.59% | 0.70% | +0.11% |
| 17 | 2024-10-05 | 0.42% | 0.59% | +0.17% |
| 18 | 2024-08-02 | 0.32% | 0.42% | +0.10% |
| 19 | 2024-07-07 | 0.24% | 0.32% | +0.08% |
| 20 | 2024-01-14 | 0.34% | 0.24% | -0.10% |
| 21 | 2023-11-08 | 0.21% | 0.34% | +0.13% |
| 22 | 2023-07-08 | 0.08% | 0.21% | +0.13% |
| 23 | 2023-07-01 | — | 0.08% | — |