EPSS score history for CVE-2021-28271, 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 | 2.42% | 1.87% | -0.55% |
| 2 | 2025-09-18 | 1.81% | 2.42% | +0.61% |
| 3 | 2025-03-30 | 2.79% | 1.81% | -0.98% |
| 4 | 2025-03-29 | 1.81% | 2.79% | +0.98% |
| 5 | 2025-03-17 | 21.32% | 1.81% | -19.51% |
| 6 | 2025-02-14 | 20.16% | 21.32% | +1.16% |
| 7 | 2025-01-12 | 20.09% | 20.16% | +0.07% |
| 8 | 2024-12-17 | 19.63% | 20.09% | +0.46% |
| 9 | 2024-10-17 | 17.95% | 19.63% | +1.69% |
| 10 | 2024-09-30 | 15.71% | 17.95% | +2.23% |
| 11 | 2024-09-14 | 11.77% | 15.71% | +3.94% |
| 12 | 2024-08-13 | 11.04% | 11.77% | +0.74% |
| 13 | 2024-06-28 | 8.11% | 11.04% | +2.93% |
| 14 | 2024-05-30 | 7.35% | 8.11% | +0.76% |
| 15 | 2024-03-19 | 8.44% | 7.35% | -1.09% |
| 16 | 2024-02-21 | 4.43% | 8.44% | +4.01% |
| 17 | 2023-05-24 | 2.26% | 4.43% | +2.17% |
| 18 | 2023-03-07 | 7.31% | 2.26% | -5.05% |
| 19 | 2022-11-15 | 0.89% | 7.31% | +6.42% |
| 20 | 2022-07-15 | 7.31% | 0.89% | -6.42% |
| 21 | 2022-04-01 | 26.47% | 7.31% | -19.17% |
| 22 | 2022-02-04 | 3.63% | 26.47% | +22.84% |
| 23 | 2021-04-29 | 0.83% | 3.63% | +2.80% |
| 24 | 2021-04-28 | — | 0.83% | — |