EPSS score history for CVE-2021-3291, 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 | 32.61% | 16.78% | -15.83% |
| 2 | 2026-03-25 | 31.48% | 32.61% | +1.13% |
| 3 | 2026-02-23 | 37.76% | 31.48% | -6.28% |
| 4 | 2026-01-09 | 43.20% | 37.76% | -5.45% |
| 5 | 2025-11-21 | 35.88% | 43.20% | +7.33% |
| 6 | 2025-11-18 | 43.20% | 35.88% | -7.33% |
| 7 | 2025-10-30 | 38.66% | 43.20% | +4.55% |
| 8 | 2025-03-30 | 47.05% | 38.66% | -8.39% |
| 9 | 2025-03-29 | 38.66% | 47.05% | +8.39% |
| 10 | 2025-03-28 | 47.05% | 38.66% | -8.39% |
| 11 | 2025-03-27 | 38.66% | 47.05% | +8.39% |
| 12 | 2025-03-20 | 47.05% | 38.66% | -8.39% |
| 13 | 2025-03-19 | 38.66% | 47.05% | +8.39% |
| 14 | 2025-03-17 | 6.49% | 38.66% | +32.16% |
| 15 | 2025-01-02 | 5.53% | 6.49% | +0.96% |
| 16 | 2024-12-17 | 2.59% | 5.53% | +2.94% |
| 17 | 2024-10-13 | 3.02% | 2.59% | -0.42% |
| 18 | 2024-09-25 | 2.63% | 3.02% | +0.39% |
| 19 | 2024-09-09 | 2.70% | 2.63% | -0.08% |
| 20 | 2024-08-05 | 2.56% | 2.70% | +0.14% |
| 21 | 2024-07-18 | 2.12% | 2.56% | +0.44% |
| 22 | 2024-07-01 | 1.62% | 2.12% | +0.50% |
| 23 | 2024-06-15 | 2.40% | 1.62% | -0.78% |
| 24 | 2024-05-14 | 2.19% | 2.40% | +0.21% |
| 25 | 2024-03-29 | 1.93% | 2.19% | +0.26% |
| 26 | 2024-02-29 | 1.75% | 1.93% | +0.18% |
| 27 | 2023-12-19 | 2.03% | 1.75% | -0.28% |
| 28 | 2023-11-22 | 1.60% | 2.03% | +0.43% |
| 29 | 2023-11-08 | 1.14% | 1.60% | +0.47% |
| 30 | 2023-08-21 | 0.95% | 1.14% | +0.19% |
| 31 | 2023-06-14 | 0.80% | 0.95% | +0.14% |
| 32 | 2023-04-05 | 0.74% | 0.80% | +0.07% |
| 33 | 2023-03-07 | 7.31% | 0.74% | -6.57% |
| 34 | 2022-11-15 | 0.89% | 7.31% | +6.42% |
| 35 | 2022-07-15 | 7.31% | 0.89% | -6.42% |
| 36 | 2022-04-01 | 21.25% | 7.31% | -13.94% |
| 37 | 2022-02-04 | 2.74% | 21.25% | +18.51% |
| 38 | 2021-04-14 | — | 2.74% | — |