EPSS score history for CVE-2021-4104, 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 | 72.20% | 81.15% | +8.95% |
| 2 | 2026-04-22 | 69.28% | 72.20% | +2.92% |
| 3 | 2026-03-11 | 72.20% | 69.28% | -2.92% |
| 4 | 2026-03-04 | 73.69% | 72.20% | -1.49% |
| 5 | 2026-03-01 | 72.20% | 73.69% | +1.49% |
| 6 | 2026-02-04 | 73.69% | 72.20% | -1.49% |
| 7 | 2026-02-01 | 72.20% | 73.69% | +1.49% |
| 8 | 2026-01-04 | 73.69% | 72.20% | -1.49% |
| 9 | 2026-01-01 | 72.20% | 73.69% | +1.49% |
| 10 | 2025-12-04 | 73.69% | 72.20% | -1.49% |
| 11 | 2025-12-01 | 72.20% | 73.69% | +1.49% |
| 12 | 2025-11-21 | 89.31% | 72.20% | -17.10% |
| 13 | 2025-11-18 | 72.20% | 89.31% | +17.10% |
| 14 | 2025-11-04 | 73.69% | 72.20% | -1.49% |
| 15 | 2025-11-01 | 72.20% | 73.69% | +1.49% |
| 16 | 2025-10-04 | 72.62% | 72.20% | -0.42% |
| 17 | 2025-10-01 | 72.20% | 72.62% | +0.42% |
| 18 | 2025-09-04 | 72.62% | 72.20% | -0.42% |
| 19 | 2025-09-01 | 72.20% | 72.62% | +0.42% |
| 20 | 2025-08-05 | 72.62% | 72.20% | -0.42% |
| 21 | 2025-08-01 | 72.20% | 72.62% | +0.42% |
| 22 | 2025-07-04 | 73.69% | 72.20% | -1.49% |
| 23 | 2025-07-01 | 72.20% | 73.69% | +1.49% |
| 24 | 2025-06-30 | 72.95% | 72.20% | -0.75% |
| 25 | 2025-06-04 | 73.69% | 72.95% | -0.74% |
| 26 | 2025-06-01 | 72.95% | 73.69% | +0.74% |
| 27 | 2025-05-04 | 73.69% | 72.95% | -0.74% |
| 28 | 2025-05-01 | 72.95% | 73.69% | +0.74% |
| 29 | 2025-04-15 | 76.88% | 72.95% | -3.93% |
| 30 | 2025-04-13 | 76.60% | 76.88% | +0.28% |
| 31 | 2025-04-12 | 76.88% | 76.60% | -0.28% |
| 32 | 2025-03-31 | 76.60% | 76.88% | +0.28% |
| 33 | 2025-03-30 | 77.20% | 76.60% | -0.61% |
| 34 | 2025-03-29 | 76.88% | 77.20% | +0.33% |
| 35 | 2025-03-28 | 80.66% | 76.88% | -3.79% |
| 36 | 2025-03-27 | 76.88% | 80.66% | +3.79% |
| 37 | 2025-03-20 | 80.66% | 76.88% | -3.79% |
| 38 | 2025-03-19 | 76.88% | 80.66% | +3.79% |
| 39 | 2025-03-17 | 11.89% | 76.88% | +64.98% |
| 40 | 2024-12-31 | 15.91% | 11.89% | -4.02% |
| 41 | 2024-07-20 | 12.73% | 15.91% | +3.18% |
| 42 | 2024-03-07 | 15.63% | 12.73% | -2.90% |
| 43 | 2023-12-23 | 17.46% | 15.63% | -1.83% |
| 44 | 2023-12-20 | 9.72% | 17.46% | +7.74% |
| 45 | 2023-11-13 | 10.00% | 9.72% | -0.29% |
| 46 | 2023-11-08 | 86.94% | 10.00% | -76.94% |
| 47 | 2023-10-03 | 89.22% | 86.94% | -2.28% |
| 48 | 2023-08-05 | 92.44% | 89.22% | -3.22% |
| 49 | 2023-07-22 | 93.45% | 92.44% | -1.01% |
| 50 | 2023-07-07 | 94.10% | 93.45% | -0.65% |
| 51 | 2023-03-07 | 68.64% | 94.10% | +25.46% |
| 52 | 2022-04-20 | 67.79% | 68.64% | +0.85% |
| 53 | 2022-02-08 | 64.53% | 67.79% | +3.25% |
| 54 | 2022-02-04 | 33.56% | 64.53% | +30.97% |
| 55 | 2022-01-19 | 30.63% | 33.56% | +2.93% |
| 56 | 2021-12-24 | 27.44% | 30.63% | +3.20% |
| 57 | 2021-12-22 | 23.94% | 27.44% | +3.50% |
| 58 | 2021-12-18 | 6.55% | 23.94% | +17.38% |
| 59 | 2021-12-17 | 2.28% | 6.55% | +4.28% |
| 60 | 2021-12-16 | 1.83% | 2.28% | +0.45% |
| 61 | 2021-12-15 | — | 1.83% | — |