EPSS score history for CVE-2021-20199, 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 | 0.13% | 1.10% | +0.97% |
| 2 | 2026-05-31 | 0.28% | 0.13% | -0.14% |
| 3 | 2026-03-11 | 0.64% | 0.28% | -0.36% |
| 4 | 2026-01-28 | 0.73% | 0.64% | -0.09% |
| 5 | 2026-01-16 | 0.60% | 0.73% | +0.12% |
| 6 | 2025-12-30 | 0.45% | 0.60% | +0.16% |
| 7 | 2025-11-21 | 0.11% | 0.45% | +0.34% |
| 8 | 2025-11-18 | 0.45% | 0.11% | -0.34% |
| 9 | 2025-08-24 | 0.48% | 0.45% | -0.04% |
| 10 | 2025-08-16 | 0.45% | 0.48% | +0.04% |
| 11 | 2025-03-30 | 1.81% | 0.45% | -1.37% |
| 12 | 2025-03-29 | 0.45% | 1.81% | +1.37% |
| 13 | 2025-03-17 | 0.16% | 0.45% | +0.29% |
| 14 | 2023-10-19 | 0.09% | 0.16% | +0.06% |
| 15 | 2023-03-07 | 1.02% | 0.09% | -0.92% |
| 16 | 2022-04-01 | 7.18% | 1.02% | -6.16% |
| 17 | 2022-02-04 | 4.50% | 7.18% | +2.67% |
| 18 | 2022-01-06 | 1.04% | 4.50% | +3.46% |
| 19 | 2021-04-14 | — | 1.04% | — |