EPSS score history for CVE-2021-1508, 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 | 1.03% | 1.63% | +0.60% |
| 2 | 2026-05-08 | 1.09% | 1.03% | -0.06% |
| 3 | 2025-11-21 | 2.45% | 1.09% | -1.36% |
| 4 | 2025-11-18 | 1.09% | 2.45% | +1.36% |
| 5 | 2025-03-30 | 3.67% | 1.09% | -2.58% |
| 6 | 2025-03-29 | 1.09% | 3.67% | +2.58% |
| 7 | 2025-03-25 | 0.84% | 1.09% | +0.25% |
| 8 | 2025-03-19 | 0.75% | 0.84% | +0.10% |
| 9 | 2025-03-17 | 0.13% | 0.75% | +0.62% |
| 10 | 2024-08-06 | 0.17% | 0.13% | -0.04% |
| 11 | 2023-03-09 | 0.12% | 0.17% | +0.05% |
| 12 | 2023-03-07 | 1.16% | 0.12% | -1.04% |
| 13 | 2022-04-01 | 15.36% | 1.16% | -14.21% |
| 14 | 2022-02-04 | 2.16% | 15.36% | +13.20% |
| 15 | 2022-01-06 | 0.49% | 2.16% | +1.67% |
| 16 | 2021-05-07 | — | 0.49% | — |