EPSS score history for CVE-2021-34727, 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 | 2026-07-17 | 2.55% | 2.63% | +0.08% |
| 2 | 2026-06-15 | 1.00% | 2.55% | +1.55% |
| 3 | 2025-11-21 | 1.63% | 1.00% | -0.63% |
| 4 | 2025-11-18 | 1.00% | 1.63% | +0.63% |
| 5 | 2025-03-30 | 2.97% | 1.00% | -1.97% |
| 6 | 2025-03-29 | 1.00% | 2.97% | +1.97% |
| 7 | 2025-03-19 | 0.42% | 1.00% | +0.58% |
| 8 | 2025-03-17 | 2.05% | 0.42% | -1.63% |
| 9 | 2024-06-07 | 2.11% | 2.05% | -0.06% |
| 10 | 2024-04-28 | 1.53% | 2.11% | +0.59% |
| 11 | 2024-02-08 | 0.54% | 1.53% | +0.99% |
| 12 | 2024-01-12 | 0.38% | 0.54% | +0.16% |
| 13 | 2023-12-15 | 0.17% | 0.38% | +0.21% |
| 14 | 2023-03-07 | 1.05% | 0.17% | -0.89% |
| 15 | 2022-04-01 | 9.03% | 1.05% | -7.97% |
| 16 | 2022-02-04 | 4.93% | 9.03% | +4.10% |
| 17 | 2022-01-06 | 1.14% | 4.93% | +3.79% |
| 18 | 2021-09-23 | — | 1.14% | — |