EPSS score history for CVE-2021-3197, 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 | 9.93% | 72.33% | +62.39% |
| 2 | 2025-12-28 | 8.52% | 9.93% | +1.41% |
| 3 | 2025-12-27 | 9.93% | 8.52% | -1.41% |
| 4 | 2025-12-06 | 14.33% | 9.93% | -4.40% |
| 5 | 2025-11-21 | 28.22% | 14.33% | -13.89% |
| 6 | 2025-11-18 | 14.33% | 28.22% | +13.89% |
| 7 | 2025-10-28 | 12.40% | 14.33% | +1.93% |
| 8 | 2025-10-27 | 14.33% | 12.40% | -1.93% |
| 9 | 2025-10-01 | 12.40% | 14.33% | +1.93% |
| 10 | 2025-09-24 | 12.70% | 12.40% | -0.29% |
| 11 | 2025-09-17 | 8.73% | 12.70% | +3.96% |
| 12 | 2025-09-16 | 8.45% | 8.73% | +0.28% |
| 13 | 2025-09-11 | 6.31% | 8.45% | +2.14% |
| 14 | 2025-09-06 | 8.25% | 6.31% | -1.93% |
| 15 | 2025-07-31 | 8.45% | 8.25% | -0.21% |
| 16 | 2025-07-18 | 6.31% | 8.45% | +2.14% |
| 17 | 2025-07-16 | 5.27% | 6.31% | +1.05% |
| 18 | 2025-03-30 | 32.45% | 5.27% | -27.18% |
| 19 | 2025-03-29 | 5.27% | 32.45% | +27.18% |
| 20 | 2025-03-24 | 18.26% | 5.27% | -13.00% |
| 21 | 2025-03-23 | 5.27% | 18.26% | +13.00% |
| 22 | 2025-03-20 | 5.40% | 5.27% | -0.14% |
| 23 | 2025-03-17 | 32.68% | 5.40% | -27.27% |
| 24 | 2025-01-18 | 40.09% | 32.68% | -7.41% |
| 25 | 2024-12-17 | 77.04% | 40.09% | -36.95% |
| 26 | 2024-11-14 | 84.76% | 77.04% | -7.72% |
| 27 | 2023-12-22 | 17.45% | 84.76% | +67.30% |
| 28 | 2023-11-12 | 17.90% | 17.45% | -0.44% |
| 29 | 2023-11-08 | 87.50% | 17.90% | -69.60% |
| 30 | 2023-11-01 | 84.30% | 87.50% | +3.20% |
| 31 | 2023-10-03 | 86.92% | 84.30% | -2.62% |
| 32 | 2023-03-07 | 1.54% | 86.92% | +85.38% |
| 33 | 2022-04-01 | 17.17% | 1.54% | -15.63% |
| 34 | 2022-02-04 | 8.66% | 17.17% | +8.51% |
| 35 | 2022-01-06 | 2.07% | 8.66% | +6.59% |
| 36 | 2022-01-04 | 1.86% | 2.07% | +0.20% |
| 37 | 2021-11-20 | 1.66% | 1.86% | +0.21% |
| 38 | 2021-11-11 | 1.45% | 1.66% | +0.20% |
| 39 | 2021-04-14 | — | 1.45% | — |