EPSS score history for CVE-2021-20155, 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 | 0.69% | 1.90% | +1.20% |
| 2 | 2025-03-30 | 19.82% | 0.69% | -19.12% |
| 3 | 2025-03-29 | 0.69% | 19.82% | +19.12% |
| 4 | 2025-03-24 | 7.86% | 0.69% | -7.17% |
| 5 | 2025-03-23 | 0.69% | 7.86% | +7.17% |
| 6 | 2025-03-17 | 0.83% | 0.69% | -0.13% |
| 7 | 2024-12-17 | 0.58% | 0.83% | +0.25% |
| 8 | 2024-11-21 | 0.41% | 0.58% | +0.17% |
| 9 | 2024-08-05 | 0.25% | 0.41% | +0.15% |
| 10 | 2023-06-12 | 0.23% | 0.25% | +0.02% |
| 11 | 2023-03-07 | 0.89% | 0.23% | -0.66% |
| 12 | 2022-02-04 | 0.44% | 0.89% | +0.44% |
| 13 | 2021-12-31 | — | 0.44% | — |