EPSS score history for CVE-2021-27821, 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 | 2026-07-09 | 0.79% | 0.59% | -0.20% |
| 2 | 2026-06-15 | 0.49% | 0.79% | +0.30% |
| 3 | 2025-11-21 | 0.55% | 0.49% | -0.06% |
| 4 | 2025-11-18 | 0.49% | 0.55% | +0.06% |
| 5 | 2025-06-05 | 0.81% | 0.49% | -0.32% |
| 6 | 2025-03-30 | 0.71% | 0.81% | +0.10% |
| 7 | 2025-03-29 | 0.81% | 0.71% | -0.10% |
| 8 | 2025-03-19 | 0.66% | 0.81% | +0.15% |
| 9 | 2025-03-17 | 0.08% | 0.66% | +0.59% |
| 10 | 2023-03-07 | 1.44% | 0.08% | -1.36% |
| 11 | 2022-04-01 | 8.67% | 1.44% | -7.23% |
| 12 | 2022-02-04 | 5.01% | 8.67% | +3.65% |
| 13 | 2022-01-06 | 1.16% | 5.01% | +3.85% |
| 14 | 2021-05-26 | — | 1.16% | — |