EPSS score history for CVE-2021-31721, 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 | 0.40% | 1.25% | +0.84% |
| 2 | 2025-11-21 | 0.51% | 0.40% | -0.10% |
| 3 | 2025-11-18 | 0.40% | 0.51% | +0.10% |
| 4 | 2025-07-11 | 0.67% | 0.40% | -0.27% |
| 5 | 2025-03-30 | 0.99% | 0.67% | -0.32% |
| 6 | 2025-03-29 | 0.67% | 0.99% | +0.32% |
| 7 | 2025-03-17 | 0.36% | 0.67% | +0.32% |
| 8 | 2024-12-03 | 0.51% | 0.36% | -0.15% |
| 9 | 2024-03-15 | 0.36% | 0.51% | +0.14% |
| 10 | 2023-09-07 | 0.33% | 0.36% | +0.04% |
| 11 | 2023-07-27 | 0.16% | 0.33% | +0.17% |
| 12 | 2023-06-27 | 0.11% | 0.16% | +0.05% |
| 13 | 2023-03-07 | 2.17% | 0.11% | -2.06% |
| 14 | 2022-11-15 | 0.95% | 2.17% | +1.22% |
| 15 | 2022-07-15 | 2.17% | 0.95% | -1.22% |
| 16 | 2022-04-01 | 4.14% | 2.17% | -1.97% |
| 17 | 2022-02-04 | 3.63% | 4.14% | +0.51% |
| 18 | 2021-09-18 | 2.74% | 3.63% | +0.89% |
| 19 | 2021-07-02 | 0.62% | 2.74% | +2.12% |
| 20 | 2021-07-01 | — | 0.62% | — |