EPSS score history for CVE-2021-20231, 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 | 1.20% | 3.75% | +2.56% |
| 2 | 2026-04-12 | 0.94% | 1.20% | +0.25% |
| 3 | 2025-11-22 | 0.79% | 0.94% | +0.15% |
| 4 | 2025-11-21 | 4.15% | 0.79% | -3.36% |
| 5 | 2025-11-18 | 0.92% | 4.15% | +3.23% |
| 6 | 2025-03-30 | 3.48% | 0.92% | -2.56% |
| 7 | 2025-03-29 | 0.92% | 3.48% | +2.56% |
| 8 | 2025-03-17 | 0.69% | 0.92% | +0.23% |
| 9 | 2025-02-16 | 0.63% | 0.69% | +0.06% |
| 10 | 2024-12-17 | 1.09% | 0.63% | -0.47% |
| 11 | 2023-11-26 | 0.94% | 1.09% | +0.16% |
| 12 | 2023-11-08 | 0.53% | 0.94% | +0.40% |
| 13 | 2023-10-17 | 0.44% | 0.53% | +0.09% |
| 14 | 2023-03-07 | 1.54% | 0.44% | -1.10% |
| 15 | 2022-04-01 | 17.17% | 1.54% | -15.63% |
| 16 | 2022-02-04 | 9.15% | 17.17% | +8.01% |
| 17 | 2022-01-06 | 2.20% | 9.15% | +6.96% |
| 18 | 2021-05-01 | 2.20% | 2.20% | +0.00% |
| 19 | 2021-04-30 | 1.86% | 2.20% | +0.33% |
| 20 | 2021-04-27 | 1.19% | 1.86% | +0.67% |
| 21 | 2021-04-18 | 1.02% | 1.19% | +0.17% |
| 22 | 2021-04-17 | 1.02% | 1.02% | +0.00% |
| 23 | 2021-04-16 | 0.85% | 1.02% | +0.17% |
| 24 | 2021-04-14 | — | 0.85% | — |