EPSS score history for CVE-2021-27177, 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 | 0.39% | 19.73% | +19.34% |
| 2 | 2026-04-29 | 0.10% | 0.39% | +0.30% |
| 3 | 2025-11-21 | 0.39% | 0.10% | -0.30% |
| 4 | 2025-11-18 | 0.07% | 0.39% | +0.32% |
| 5 | 2025-03-17 | 2.09% | 0.07% | -2.02% |
| 6 | 2025-01-17 | 1.66% | 2.09% | +0.43% |
| 7 | 2024-12-17 | 0.90% | 1.66% | +0.76% |
| 8 | 2024-06-15 | 0.84% | 0.90% | +0.06% |
| 9 | 2024-01-03 | 0.70% | 0.84% | +0.15% |
| 10 | 2023-10-27 | 0.77% | 0.70% | -0.07% |
| 11 | 2023-03-07 | 0.89% | 0.77% | -0.12% |
| 12 | 2022-04-01 | 9.03% | 0.89% | -8.14% |
| 13 | 2022-02-04 | 1.84% | 9.03% | +7.19% |
| 14 | 2022-01-06 | 0.42% | 1.84% | +1.42% |
| 15 | 2021-04-14 | — | 0.42% | — |