EPSS score history for CVE-2021-39623, 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 | 2.52% | 2.04% | -0.48% |
| 2 | 2025-11-21 | 0.81% | 2.52% | +1.71% |
| 3 | 2025-11-18 | 2.52% | 0.81% | -1.71% |
| 4 | 2025-04-23 | 0.91% | 2.52% | +1.61% |
| 5 | 2025-03-30 | 1.44% | 0.91% | -0.53% |
| 6 | 2025-03-29 | 0.91% | 1.44% | +0.53% |
| 7 | 2025-03-28 | 1.44% | 0.91% | -0.53% |
| 8 | 2025-03-27 | 0.91% | 1.44% | +0.53% |
| 9 | 2025-03-20 | 1.44% | 0.91% | -0.53% |
| 10 | 2025-03-19 | 0.91% | 1.44% | +0.53% |
| 11 | 2025-03-17 | 0.14% | 0.91% | +0.78% |
| 12 | 2023-06-27 | 0.15% | 0.14% | -0.02% |
| 13 | 2023-03-07 | 1.16% | 0.15% | -1.00% |
| 14 | 2022-02-04 | 0.38% | 1.16% | +0.78% |
| 15 | 2022-01-15 | — | 0.38% | — |