EPSS score history for CVE-2021-34639, 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 | 0.25% | 0.58% | +0.33% |
| 2 | 2026-01-17 | 0.19% | 0.25% | +0.06% |
| 3 | 2025-12-27 | 0.14% | 0.19% | +0.05% |
| 4 | 2025-03-30 | 0.21% | 0.14% | -0.06% |
| 5 | 2025-03-29 | 0.14% | 0.21% | +0.06% |
| 6 | 2025-03-24 | 0.21% | 0.14% | -0.06% |
| 7 | 2025-03-23 | 0.10% | 0.21% | +0.10% |
| 8 | 2023-03-07 | 0.89% | 0.10% | -0.78% |
| 9 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 10 | 2022-02-04 | 1.84% | 9.03% | +7.19% |
| 11 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 12 | 2021-08-06 | — | 0.42% | — |