EPSS score history for CVE-2021-21994, 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 | 0.38% | 1.16% | +0.78% |
| 2 | 2026-01-05 | 0.24% | 0.38% | +0.14% |
| 3 | 2025-11-21 | 0.29% | 0.24% | -0.05% |
| 4 | 2025-11-18 | 0.18% | 0.29% | +0.12% |
| 5 | 2025-10-15 | 0.07% | 0.18% | +0.11% |
| 6 | 2025-03-17 | 0.49% | 0.07% | -0.42% |
| 7 | 2024-04-11 | 0.35% | 0.49% | +0.14% |
| 8 | 2024-03-28 | 0.31% | 0.35% | +0.04% |
| 9 | 2024-02-17 | 0.22% | 0.31% | +0.09% |
| 10 | 2023-03-07 | 0.89% | 0.22% | -0.66% |
| 11 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 12 | 2022-02-04 | 1.84% | 9.03% | +7.19% |
| 13 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 14 | 2021-07-14 | — | 0.42% | — |