EPSS score history for CVE-2021-20034, 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 | 2026-06-23 | 81.14% | 80.70% | -0.44% |
| 2 | 2026-06-15 | 5.44% | 81.14% | +75.70% |
| 3 | 2026-05-26 | 5.78% | 5.44% | -0.34% |
| 4 | 2026-01-11 | 4.70% | 5.78% | +1.08% |
| 5 | 2025-11-21 | 57.06% | 4.70% | -52.36% |
| 6 | 2025-11-18 | 4.70% | 57.06% | +52.36% |
| 7 | 2025-10-11 | 5.44% | 4.70% | -0.73% |
| 8 | 2025-09-02 | 7.21% | 5.44% | -1.77% |
| 9 | 2025-05-04 | 5.44% | 7.21% | +1.77% |
| 10 | 2025-03-30 | 24.84% | 5.44% | -19.40% |
| 11 | 2025-03-29 | 5.44% | 24.84% | +19.40% |
| 12 | 2025-03-24 | 8.51% | 5.44% | -3.07% |
| 13 | 2025-03-23 | 5.43% | 8.51% | +3.08% |
| 14 | 2025-03-17 | 31.03% | 5.43% | -25.60% |
| 15 | 2025-02-14 | 29.85% | 31.03% | +1.18% |
| 16 | 2025-01-30 | 28.01% | 29.85% | +1.85% |
| 17 | 2025-01-13 | 26.95% | 28.01% | +1.06% |
| 18 | 2024-12-29 | 19.43% | 26.95% | +7.52% |
| 19 | 2024-12-17 | 47.98% | 19.43% | -28.54% |
| 20 | 2024-11-28 | 51.90% | 47.98% | -3.92% |
| 21 | 2024-10-30 | 64.12% | 51.90% | -12.23% |
| 22 | 2024-07-23 | 70.15% | 64.12% | -6.02% |
| 23 | 2024-06-12 | 71.91% | 70.15% | -1.76% |
| 24 | 2024-05-03 | 77.08% | 71.91% | -5.16% |
| 25 | 2024-04-21 | 78.71% | 77.08% | -1.64% |
| 26 | 2023-10-11 | 75.08% | 78.71% | +3.64% |
| 27 | 2023-08-27 | 75.81% | 75.08% | -0.73% |
| 28 | 2023-07-31 | 77.76% | 75.81% | -1.95% |
| 29 | 2023-04-20 | 79.70% | 77.76% | -1.94% |
| 30 | 2023-04-07 | 86.48% | 79.70% | -6.77% |
| 31 | 2023-03-10 | 87.86% | 86.48% | -1.38% |
| 32 | 2023-03-07 | 8.38% | 87.86% | +79.48% |
| 33 | 2022-11-15 | 1.05% | 8.38% | +7.33% |
| 34 | 2022-07-15 | 8.38% | 1.05% | -7.33% |
| 35 | 2022-04-01 | 12.94% | 8.38% | -4.56% |
| 36 | 2022-02-04 | 3.43% | 12.94% | +9.51% |
| 37 | 2021-10-21 | 0.52% | 3.43% | +2.90% |
| 38 | 2021-09-28 | — | 0.52% | — |