EPSS score history for CVE-2021-34646, 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 | 22.51% | 50.87% | +28.36% |
| 2 | 2026-03-18 | 25.09% | 22.51% | -2.59% |
| 3 | 2026-02-28 | 24.77% | 25.09% | +0.33% |
| 4 | 2026-01-21 | 22.82% | 24.77% | +1.94% |
| 5 | 2025-11-21 | 32.08% | 22.82% | -9.26% |
| 6 | 2025-11-18 | 22.82% | 32.08% | +9.26% |
| 7 | 2025-10-16 | 24.01% | 22.82% | -1.18% |
| 8 | 2025-08-18 | 26.19% | 24.01% | -2.18% |
| 9 | 2025-07-07 | 29.72% | 26.19% | -3.53% |
| 10 | 2025-06-25 | 26.19% | 29.72% | +3.53% |
| 11 | 2025-06-23 | 27.95% | 26.19% | -1.76% |
| 12 | 2025-03-30 | 32.22% | 27.95% | -4.27% |
| 13 | 2025-03-29 | 27.95% | 32.22% | +4.27% |
| 14 | 2025-03-28 | 32.34% | 27.95% | -4.38% |
| 15 | 2025-03-27 | 39.68% | 32.34% | -7.35% |
| 16 | 2025-03-24 | 32.34% | 39.68% | +7.35% |
| 17 | 2025-03-23 | 39.68% | 32.34% | -7.35% |
| 18 | 2025-03-20 | 32.34% | 39.68% | +7.35% |
| 19 | 2025-03-19 | 39.68% | 32.34% | -7.35% |
| 20 | 2025-03-17 | 28.20% | 39.68% | +11.48% |
| 21 | 2025-02-19 | 26.12% | 28.20% | +2.08% |
| 22 | 2025-02-02 | 25.99% | 26.12% | +0.14% |
| 23 | 2025-01-17 | 20.19% | 25.99% | +5.79% |
| 24 | 2024-12-17 | 5.76% | 20.19% | +14.43% |
| 25 | 2024-12-16 | 4.23% | 5.76% | +1.53% |
| 26 | 2024-11-16 | 4.50% | 4.23% | -0.27% |
| 27 | 2024-10-31 | 3.98% | 4.50% | +0.52% |
| 28 | 2024-10-02 | 3.61% | 3.98% | +0.37% |
| 29 | 2024-07-16 | 3.22% | 3.61% | +0.39% |
| 30 | 2024-06-19 | 2.55% | 3.22% | +0.67% |
| 31 | 2024-05-09 | 2.23% | 2.55% | +0.32% |
| 32 | 2024-04-13 | 2.59% | 2.23% | -0.36% |
| 33 | 2024-03-30 | 2.11% | 2.59% | +0.48% |
| 34 | 2023-04-07 | 2.27% | 2.11% | -0.16% |
| 35 | 2023-03-23 | 1.53% | 2.27% | +0.74% |
| 36 | 2023-03-07 | 23.85% | 1.53% | -22.31% |
| 37 | 2022-11-15 | 9.03% | 23.85% | +14.82% |
| 38 | 2022-07-15 | 23.85% | 9.03% | -14.82% |
| 39 | 2022-02-04 | 2.74% | 23.85% | +21.11% |
| 40 | 2021-09-05 | 0.62% | 2.74% | +2.12% |
| 41 | 2021-08-31 | — | 0.62% | — |